CVE-2025-21321

MEDIUM

Windows Kernel - Information Disclosure via Memory Log Insertion

Title source: llm
STIX 2.1

Description

Windows Kernel Memory Information Disclosure Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21321

Scores

CVSS v3 5.5
EPSS 0.0091
EPSS Percentile 55.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-532
Status published
Products (36)
Microsoft/Windows 10 Version 1507 10.0.10240.0 - 10.0.10240.20890
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.7699
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.5371
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.5371
Microsoft/Windows 11 version 22H2 10.0.22621.0 - 10.0.22621.4751
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.4751
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.4751
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.2894
Microsoft/Windows Server 2012 6.2.9200.0 - 6.2.9200.25273
... and 26 more
Published Jan 14, 2025
Tracked Since Feb 18, 2026