CVEvulnerability

CVE-2026-42991

7.8 HIGH Published 2026-06-09 Modified 2026-07-23 Official page ↗
Status
Analyzed
Published
2026-06-09
Last modified
2026-07-23
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-362, CWE-416

Description

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

Affected configurations

• microsoft windows 10 1809 (< 10.0.17763.8880) • microsoft windows 10 21h2 (< 10.0.19044.7417) • microsoft windows 10 22h2 (< 10.0.19045.7417) • microsoft windows 11 23h2 (< 10.0.22631.7219) • microsoft windows 11 24h2 (< 10.0.26100.8655) • microsoft windows 11 25h2 (< 10.0.26200.8655) • microsoft windows 11 26h1 (< 10.0.28000.2269) • microsoft windows server 2019 (< 10.0.17763.8880) • microsoft windows server 2022 (< 10.0.20348.5256) • microsoft windows server 2025 (< 10.0.26100.32995)

Related

Weakness · CWE (2)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
  • CWE-416 Use After Free weakness

References