CVE-2025-27475

Windows Update Stack Elevation of Privilege Vulnerability

Published Apr 8, 2025 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-10173 Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally.
History
Type Values Removed Values Added
First Time appeared Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
CPEs cpe:2.3:o:microsoft:windows_11_22H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
Vendors & Products Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
CPEs cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally.
Title Windows Update Stack Elevation of Privilege Vulnerability
Weaknesses CWE-591
References
Metrics cvssV3_1

{'score': 7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:12 PM
Reserved
Feb 26, 2025, 2:42 PM
Status
Analyzed
Published
Apr 8, 2025, 6:15 PM
Modified
Jun 17, 2026, 9:03 AM