Microsoft

Active Directory Federation Services (AD FS) Spoofing Vulnerability

CVE-2026-108131 Oct 13, 2026 Source: Vendor

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108131

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CVE-2026-108131 BR2026-0003-040802 unclaimed

Active Directory Federation Services (AD FS) Spoofing Vulnerability

Credited as Anonymous