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CVE-2025-27475

HighCVSS 7.0/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Windows 11 version 22H2	>= 10.0.22621.0, < 10.0.22621.5189
Microsoft	Windows 11 version 22H3	>= 10.0.22631.0, < 10.0.22631.5189
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.5189
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.3775

References

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

Timeline

Published: Apr 8, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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CVE-2025-27475: High severity, CVSS 7.0 | Vulnix