PT-2026-58218 · Microsoft · Win32K+1

CVE-2026-54107 · Published 2026-07-14 · Updated 2026-07-14

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Win32K (affected versions not specified)

Description A race condition occurs in Windows Win32K due to improper synchronization when using a shared resource. This allows an authorized attacker to elevate their privileges locally to an administrator level.

Recommendations Install the July Windows updates.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2026-54107

Affected Products

Win32K

Windows

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-54107 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-54107 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-54107 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54107 · Vendor Advisory
• https://twitter.com/windowsforum/status/2077145400507515380 · Twitter Post