Security Advisory catalog CVE-2026-96222 CVE-2026-96222 Published
Active Directory Federation Services (AD FS) Spoofing Vulnerability CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.
CVE-2026-96222 Exact risk observation. Current source statements above are a separate evidence layer. Latest risk evidence .
No KEV entry is attached to this observation; this is not evidence that exploitation is absent.
FIRST EPSS: 0.59 % · percentile 47.75 % · scored 25 Oct 2026. Retained older prediction.
Observed 25 Oct 2026 15:18:41 UTC · Complete immutable risk JSON
Immutable source observations 22 recorded revisions Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.
7 Nov 2026 15:26:52 UTC Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network. euvd · EUVD-2026-99750 · Published
5 Nov 2026 14:42:17 UTC Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network. euvd · EUVD-2026-99750 · Published
3 Nov 2026 14:05:57 UTC Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network. euvd · EUVD-2026-99750 · Published
1 Nov 2026 13:06:17 UTC Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network. euvd · EUVD-2026-99750 · Published
31 Oct 2026 20:04:47 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
31 Oct 2026 18:04:47 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
30 Oct 2026 22:45:26 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
30 Oct 2026 12:55:24 UTC Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network. euvd · EUVD-2026-99750 · Published
29 Oct 2026 17:12:12 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
28 Oct 2026 19:46:48 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
28 Oct 2026 10:37:49 UTC Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network. euvd · EUVD-2026-99750 · Published
27 Oct 2026 22:45:55 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
27 Oct 2026 21:45:55 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
26 Oct 2026 20:35:31 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
26 Oct 2026 18:35:30 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
25 Oct 2026 20:02:02 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
25 Oct 2026 19:02:14 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
25 Oct 2026 16:19:28 UTC Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network. nvd · CVE-2026-96222 · Published
23 Oct 2026 23:48:20 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
23 Oct 2026 18:48:20 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published
23 Oct 2026 16:01:25 UTC Microsoft Security Advisory CVE-2026-96222 - .NET Spoofing Vulnerability osv · GHSA-vrv5-2jg9-4mmr · Published
23 Oct 2026 15:48:27 UTC Active Directory Federation Services (AD FS) Spoofing Vulnerability cve-program · CVE-2026-96222 · Published