CVE-2026-96252

critical · 9.1

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

9.1

CVSS

0.6%

EPSS (exploit prob.)

46th

EPSS percentile

2026-10-13

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-347

Affected products

Vendor	Product	Affected versions
microsoft	windows_10_1607	< 10.0.14393.9612
microsoft	windows_10_1607	< 10.0.14393.9612
microsoft	windows_10_1809	< 10.0.17763.9376
microsoft	windows_10_1809	< 10.0.17763.9376
microsoft	windows_server_2012	all versions
microsoft	windows_server_2012	r2
microsoft	windows_server_2016	< 10.0.14393.9612
microsoft	windows_server_2019	< 10.0.17763.9376
microsoft	windows_server_2022	< 10.0.20348.5761
microsoft	windows_server_2025	< 10.0.26100.33650

Check a specific version with /api/v1/cve/match.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96252

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-96252