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Description

Improper verification of cryptographic signature in Windows Admin Center allows an authorized attacker to elevate privileges locally.

PUBLISHED Reserved 2025-12-04 | Published 2026-01-13 | Updated 2026-02-22 | Assigner microsoft




HIGH: 7.5CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-347: Improper Verification of Cryptographic Signature

Product status

1.0 (custom) before 0.70.0.0
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20965 (Windows Admin Center Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-20965)

nvd.nist.gov (CVE-2026-20965)

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