CVE-2026-55001

HIGH

Microsoft Windows 10 Version 1607 - Active Directory Domain Services Elevation of Privilege Vulnerability

Title source: rule
STIX 2.1

Description

Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate privileges locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Active Directory Domain Services Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55001

Scores

CVSS v3 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Details

CWE
CWE-295
Status published
Products (9)
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.9339
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows Server 2016 10.0.14393.0 - 10.0.14393.9339
Microsoft/Windows Server 2016 (Server Core installation) 10.0.14393.0 - 10.0.14393.9339
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.5386
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.33158
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.33158
Published Jul 14, 2026
Tracked Since Jul 14, 2026