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2026-10-17 21:56 CEST · Intelligence refreshed (Europe/Stockholm)

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Search software, operating systems, packages, CVEs, KBs, campaigns, advisories, named operations or GHSAs and review correlated vulnerability, campaign, advisory, exploitation, update, affected-product and lifecycle intelligence in one place.

Vendor and product names are suggested from the active PostgreSQL intelligence index as you type. Choose Campaign / advisory for named operations such as BADBOX, BADBOX 2.0, NotPetya or ransomware campaigns. Exact product excludes fuzzy identities; Vendor search discovers manufacturer-linked records. Auto detect still recognizes structured IDs such as CVEs, KBs, GHSAs and FLASH/CERT identifiers.
Latest synchronized CVE
CVSS 4.3 Published 2026-10-17 21:00 CEST
Vendor
Affected products
1 affected products/devices 1 software
General vulnerability query Recent High & critical CVEs

Query the vulnerability time window. Default 7 days; narrow to the last 24 hours or expand to 14 or 30 days when needed.

CVSS 9.1/10 Critical severity

First published: 13 October 2026, 21:01 CEST · Last modified: 17 October 2026, 01:24 CEST

CVE lookup — correlated security and lifecycle intelligence

· 8 sources correlated

Critical severity — prioritize remediation

Active Directory Federation Services (AD FS) Spoofing Vulnerability

SeverityCVSS 9.1Critical · Remote / network
ExploitationNone reportedEPSS 0.5% chance in 30 days
Affected products33 products31 OS · 2 softwareSupply chain16 downstream productsacross 1 vendor

Why this rating

  • It can be exploited remotely over the network.
  • Rated critical (CVSS 9.1); no exploitation is reported in current sources.
  • 16 products from other vendors bundle or depend on the affected component.

What to do

  1. Install Microsoft update KB5126646, KB5126868, KB5126835 and 3 more on affected Windows/Microsoft systems.
  2. Check your inventory against the 33 affected products — start with internet-facing systems.
  3. For products that bundle the component, follow each vendor's own advisory for its fixed release.
Vendor
Affected products
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+15 more

Affected products (examples)

Click to open the full list
Microsoft Windows 10 Version 1607Microsoft Windows Server 2019 (Server Core installation)Microsoft Windows Server 2022Microsoft Windows Server 2025Microsoft Windows Server 2025 (Server Core installation)Microsoft Windows 10 Version 1809Microsoft MicrosoftcustomAll 33 →

What the vulnerability is

Improper verification of cryptographic signature in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Detailed evidence Everything below supports the summary above. Open only what you need.

Direct connected intelligence KBs, campaigns & Oracle
Connected intelligence Direct relationships for
Matched intelligence coverage 8 sources
Microsoft KB EUVD Vulnrichment GHSA EPSS CWE CVE Affected Products
Supply-chain / downstream affected products 16 downstream

This view separates downstream/bundled/advisory-derived exposure from direct product assertions. It is correlation evidence, not proof that every listed deployment is exploitable; vendor/version/configuration validation still applies.

16downstream products
1vendors / ecosystems
16OS/platform relationships

Representative downstream relationships

Microsoft Windows Server 2019 (Server Core installation) Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2022 Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2025 Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2025 (Server Core installation) Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2012 Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2012 (Server Core installation) Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2012 R2 Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2012 R2 (Server Core installation) Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2016 Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2016 (Server Core installation) Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows Server 2019 Operating systems and platforms · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft Windows 10 Version 1607 for x64-based Systems Operating systems and platforms · Product-associated assertion · Microsoft Kb · supporting vendor/advisory evidence

Complete downstream evidence

Every downstream product relationship Scantide currently correlates for this CVE is listed below. Expand a category to inspect all products and their provenance.

Operating systems and platforms · 16 relationships
Microsoft Windows 10 Version 1607 for 32-bit Systems Microsoft
Vendor/advisory-supported Product-associated Assertion Source: Microsoft Kb medium-high confidence
Microsoft Windows 10 Version 1607 for x64-based Systems Microsoft
Vendor/advisory-supported Product-associated Assertion Source: Microsoft Kb medium-high confidence
Microsoft Windows 10 Version 1809 for 32-bit Systems Microsoft
Vendor/advisory-supported Product-associated Assertion Source: Microsoft Kb medium-high confidence
Microsoft Windows 10 Version 1809 for x64-based Systems Microsoft
Vendor/advisory-supported Product-associated Assertion Source: Microsoft Kb medium-high confidence
Microsoft Windows Server 2012 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2012 (Server Core installation) Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2012 R2 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2012 R2 (Server Core installation) Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2016 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2016 (Server Core installation) Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2019 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2019 (Server Core installation) Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2022 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2022 (Server Core installation) Microsoft
Vendor/advisory-supported Product-associated Assertion Source: Microsoft Kb medium-high confidence
Microsoft Windows Server 2025 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft Windows Server 2025 (Server Core installation) Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence

Top downstream vendor ecosystems

Open complete affected inventory Open downstream vendor relationships
Cross-source correlations 8 matched lanes

Direct intelligence-source relationships

Direct intelligence-source lanes: every lane below has direct evidence for

in that Scantide intelligence collection. Lanes share the CVE as their join key; their presence together does not imply that one source explicitly referenced another source's record.

8 matched source lanes
Microsoft KB / MSRC · 32 ENISA EUVD CISA Vulnrichment GitHub Advisory EPSS MITRE CWE CVE / NVD catalog Affected products/devices · 33
Downstream affected vendors 1 vendors

Affected vendor/product relationships

These vendors are derived from affected product/device evidence tied to this CVE. This is intentionally separate from the direct intelligence-source lanes above: a vendor can have affected products without Scantide having a vendor-specific advisory or Microsoft KB record for the CVE.

 1 affected vendors represented

Affected software, operating systems, hardware and devices 33

Deduplicated across Scantide's structured CVE, NVD applicability, CSAF, vendor advisory, campaign and downstream product evidence. Taxonomy IDs and evidence-only identifiers are excluded from the asset count. Counts represent relationships Scantide can currently prove, not the theoretical maximum downstream ecosystem.

31Operating systems
2Software / applications
NVD/CVE catalog 13CISA Vulnrichment 28Microsoft Kb 16
Expand all affected categories (33) How can this affect my environment?
Operating systems and platforms (31 — click to show all)
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA Vulnrichmenthigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA Vulnrichmenthigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.14393.0 — before 10.0.14393.9612 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.17763.0 — before 10.0.17763.9376 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 6.2.9200.0 — before 6.2.9200.26434 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 6.2.9200.0 — before 6.2.9200.26434 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 6.3.9600.0 — before 6.3.9600.23470 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 6.3.9600.0 — before 6.3.9600.23470 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.14393.0 — before 10.0.14393.9612 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.14393.0 — before 10.0.14393.9612 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.17763.0 — before 10.0.17763.9376 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.17763.0 — before 10.0.17763.9376 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.20348.0 — before 10.0.20348.5761 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.26100.0 — before 10.0.26100.33650 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: version 10.0.26100.0 — before 10.0.26100.33650 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Microsoft Kbmedium-high confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Microsoft Kbmedium-high confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Microsoft Kbmedium-high confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Microsoft Kbmedium-high confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Microsoft Kbmedium-high confidence
Software (2 — click to show all)
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: CISA Vulnrichmentmedium-high confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: CISA Vulnrichmentmedium-high confidence
What each source says 3
European vulnerability intelligence: ENISA EUVD cross-reference: EUVD-2026-100218.
Exploit probability: Estimated exploitation probability 0.48% — percentile 40.0%.
Vulnerability summary: Active Directory Federation Services (AD FS) Spoofing Vulnerability
GitHub package advisories 1
Microsoft security update correlation 32

Microsoft CVE ↔ KB relationships from MSRC CVRF and Microsoft Support. Multiple rows can exist for one KB when product/build applicability or support-page evidence differs.

KB5126646
Windows Server 2025 Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows 10 Version 1607 for x64-based Systems Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126835
Windows Server 2012 Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows 10 Version 1809 for 32-bit Systems Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows 10 Version 1809 for x64-based Systems Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows 10 Version 1607 for 32-bit Systems Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126835
Windows Server 2012 (Server Core installation) Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows Server 2019 (Server Core installation) MSRC CVRF
Open Microsoft update guidance
KB5126836
Windows Server 2012 R2 (Server Core installation) MSRC CVRF
Open Microsoft update guidance
KB5126836
Windows Server 2012 R2 MSRC CVRF
Open Microsoft update guidance
KB5126655
Windows Server 2022 Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126835
Windows Server 2012 MSRC CVRF
Open Microsoft update guidance
KB5126655
Windows Server 2022 MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows 10 Version 1809 for 32-bit Systems MSRC CVRF
Open Microsoft update guidance
KB5126836
Windows Server 2012 R2 Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows Server 2016 (Server Core installation) MSRC CVRF
Open Microsoft update guidance
KB5126646
Windows Server 2025 MSRC CVRF
Open Microsoft update guidance
KB5126835
Windows Server 2012 (Server Core installation) MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows Server 2019 (Server Core installation) Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126655
Windows Server 2022 (Server Core installation) MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows Server 2016 (Server Core installation) Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows Server 2016 Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows Server 2019 Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows 10 Version 1607 for 32-bit Systems MSRC CVRF
Open Microsoft update guidance
KB5126646
Windows Server 2025 (Server Core installation) Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126646
Windows Server 2025 (Server Core installation) MSRC CVRF
Open Microsoft update guidance
KB5126655
Windows Server 2022 (Server Core installation) Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows Server 2016 MSRC CVRF
Open Microsoft update guidance
KB5126868
Windows 10 Version 1607 for x64-based Systems MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows 10 Version 1809 for x64-based Systems MSRC CVRF
Open Microsoft update guidance
KB5126836
Windows Server 2012 R2 (Server Core installation) Restart Yes MSRC CVRF
Open Microsoft update guidance
KB5126651
Windows Server 2019 MSRC CVRF
Open Microsoft update guidance
Evidence coverage

Correlated from multiple vulnerability, exploitation, advisory, package and affected-product intelligence collections.

Technical query coverage · 16 collections queried · 1 CVEs correlated
2026-10-17 21:56 CESTIntelligence refreshed
1unique CVEs queried and enriched
1unique CVEs correlated to this result
1unique advisories correlated
16intelligence collections queried
Affected-product scope: The product/device count is the deduplicated set Scantide can prove from its currently ingested structured records and advisory text. It is not a claim that only those products were affected; component vulnerabilities such as Log4Shell can have a much larger downstream ecosystem. Advisory and vendor references are kept clickable so additional downstream exposure can be followed to the authoritative source.
Coverage note: Scantide correlates multiple public and locally indexed intelligence sources, but no dataset or matching process is complete. Results may omit software, dependencies, affected versions or advisories, and related records do not by themselves prove that a specific installation is vulnerable. Confirm important findings against vendor guidance and the installed product and version.