CVE-2025-27475

Windows Update Stack Elevation of Privilege Vulnerability

State: Published
Severity: 7.0 High
Published: Apr 8, 2025
Updated: Aug 10, 2026
Reserved: Feb 26, 2025

Description

Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-591 Sensitive Data Storage in Improperly Locked Memory

Affected Products

Product	Versions
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.5189Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.5189Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.5189Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.3775Affected

References

Windows Update Stack Elevation of Privilege Vulnerabilityvendor-advisorypatch

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