PT-2026-7333 · Microsoft · Windows Kernel+1

Published 2026-02-10 · Updated 2026-02-11 · CVE-2026-21222

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Windows Kernel (affected versions not specified)

Description The Windows Kernel has a flaw where sensitive information is being inserted into log files. A local attacker who is authorized can exploit this to disclose information. The issue allows attackers to obtain sensitive information and affect the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Insertion into Log File

Weakness Enumeration

CWE-532

Related Identifiers

BDU:2026-01799

CVE-2026-21222

Affected Products

Windows

Windows Kernel

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21222 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21222 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21222 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01799 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-21222 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-21222 · Vendor Advisory
• https://t.me/cveNotify/151775 · Telegram Post