PT-2026-2686 · Unknown+1 · Graphics Kernel+1

B2Ahex + 1 · Published 2026-01-13 · Updated 2026-01-15 · CVE-2026-20836

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

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

Description A flaw exists that allows a local attacker to elevate privileges. This is due to a race condition occurring during concurrent execution when accessing a shared resource with improper synchronization.

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

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

BDU:2026-00488

CVE-2026-20836

Affected Products

Graphics Kernel

Windows

References · 7

• https://osv.dev/vulnerability/CVE-2026-20836 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00488 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20836 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20836 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20836 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20836 · Security Note
• https://twitter.com/CVEnew/status/2011759678993088821 · Twitter Post