PT-2026-2668 · Microsoft · Windows Kernel+1

Published 2026-01-13 · Updated 2026-02-21 · CVE-2026-20818

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

AV:L/AC:L/PR:N/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 written into log files. This allows a local attacker to potentially 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:2026-00483

CVE-2026-20818

Affected Products

Windows

Windows Kernel

References · 8

• https://osv.dev/vulnerability/CVE-2026-20818 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20818 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20818 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20818 · Security Note
• https://bdu.fstec.ru/vul/2026-00483 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20818 · Security Note
• https://twitter.com/CVEnew/status/2012490422447174074 · Twitter Post
• https://twitter.com/pawxed/status/2025257578893332983 · Twitter Post