🛡️ CVE-2026-45597 — windows-11-23h2

🟠 CVSS 7.0 — High ✅ No Known Exploit CWE-362 NVD
7.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allows an authorized attacker to elevate privileges locally.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-45597 is classified as CWE-362: Race Condition. Concurrent operations share state without proper synchronisation, so timing decides whether the result is correct.

Affected software

CVE-2026-45597 is recorded against 7 packages.

  • unknown
  • windows-11-23h2 (fixed in 10.0.22631.7219)
  • windows-11-24h2 (fixed in 10.0.26100.8655)
  • windows-11-25h2 (fixed in 10.0.26200.8655)
  • windows-11-26h1 (fixed in 10.0.28000.2269)
  • windows-server-2022 (fixed in 10.0.20348.5256)
  • windows-server-2025 (fixed in 10.0.26100.32995)

Timeline and source

Published on 9 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

msrc.microsoft.com

Details

Severity HIGH
CVSS Score 7.0
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-362
Public Exploit ✅ No
Source NVD
Published 2026-06-09
Updated 2026-08-11
Modified 2026-06-09
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —
windows-11-23h2 — 10.0.22631.7219
windows-11-24h2 — 10.0.26100.8655
windows-11-25h2 — 10.0.26200.8655
windows-11-26h1 — 10.0.28000.2269
windows-server-2022 — 10.0.20348.5256
windows-server-2025 — 10.0.26100.32995

Similar Threats

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