CVSS 7.4 (high) · published 2026-10-13
Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
Affected products (NVD): microsoft windows_10_1607, microsoft windows_10_1809, microsoft windows_server_2012, microsoft windows_server_2016, microsoft windows_server_2019, microsoft windows_server_2022, microsoft windows_server_2025, microsoft .net, microsoft visual_studio_2022, microsoft visual_studio_2026, microsoft .net_framework
Fixed in (NVD): 10.0.14393.9612, 10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650, 8.0.5, 17.14.42, 18.10.4
Weakness: CWE-295
Source: NVD CVE-2026-96222
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