Description

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

Classification

CVE ID: CVE-2025-27475

CVSS Base Severity: HIGH

CVSS Base Score: 7.0

CVSS 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

Affected Products

Vendor: Microsoft, Microsoft, Microsoft, Microsoft

Product: Windows 11 version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows 11 Version 24H2

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 7.52% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-27475
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27475

Timeline