PT-2026-58419 · Microsoft · Windows 11

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-50440

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows 11 (affected versions not specified)

Description A race condition exists in the Windows Audio Service. This occurs when concurrent execution using a shared resource lacks proper synchronization, allowing an authorized attacker to elevate privileges locally.

Recommendations Apply the security update for Windows 11 to resolve this issue.

Fix

Race Condition

Use After Free

Weakness Enumeration

CWE-362

CWE-416

Related Identifiers

CVE-2026-50440

Affected Products

Windows 11

References · 3

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50440 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50440 · Security Note
• https://twitter.com/windowsforum/status/2077268208453619998 · Twitter Post