CVE-2025-27475

Published: Apr 8, 2025Modified: Jun 17, 2026

7.0

Vector

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

Exploitability: 1.0 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

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

Affected (3)

Products: Microsoft: Windows 11 22h2, Windows 11 23h2, Windows 11 24h2

3 products

Windows 11 22h2

Windows 11 23h2

Windows 11 24h2

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 11 22h2	Before 10.0.22621.5189
Microsoft Windows 11 23h2	Before 10.0.22631.5189
Microsoft Windows 11 24h2	Before 10.0.26100.3775

Related CWEs

Sensitive Data Storage in Improperly Locked Memory

The product stores sensitive data in memory that is not locked, or that has been incorrectly locked, which might cause the memory to be written to swap files on disk by the virtual memory manager. This can make the data more accessible to external actors.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27475

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.