CVE-2026-21222

MEDIUM

Windows Kernel - Info 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)

Scores

CVSS v3 5.5
EPSS 0.0005
EPSS Percentile 14.3%
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