CVE-2026-42991

HighCVSS 7.8

Published: 09/06/2026(UTC)Updated: 11/06/2026(UTC)Translated: 15/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.05%

16th percentile - higher than 16% of all known CVEs

Summary

A race condition in Windows Push Notifications allows for concurrent execution using shared resources with improper synchronization. This enables an authorized attacker to elevate privileges locally.

Risk Assessment

An attacker with appropriate permissions can exploit this vulnerability to gain higher privileges in the system, potentially leading to serious security breaches.

Recommendation

It is recommended to update Windows to the latest version to mitigate this vulnerability and to monitor system access for potential exploitation attempts.

Original NVD description (English source)

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.