CVE-2026-21222

MEDIUM

Windows 10/11 Kernel Log File Information Disclosure

Title source: llm
STIX 2.1

Description

Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0057
EPSS Percentile 42.5%
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 (29)
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.8868
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.8389
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.6937
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.6937
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.6649
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.6649
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.7840
Microsoft/Windows Server 2012 R2 6.3.9600.0 - 6.3.9600.23022
Microsoft/Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 - 6.3.9600.23022
Microsoft/Windows Server 2016 10.0.14393.0 - 10.0.14393.8868
... and 19 more
Published Feb 10, 2026
Tracked Since Feb 18, 2026