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CVE-2026-45597: Windows UI Automation Manager (uiamanager.dll) Elevation of Privilege Vulnerability

highCVSS 7CVE-2026-45597
Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allows an authorized attacker to elevate privileges locally.

CSIRTS triage

vendor: Microsoftproduct: Windows UI Automation ManagerPrivilege escalation
What
A race condition allows an authorized attacker to elevate privileges locally.
Who is affected
Users of Windows UI Automation Manager.
Urgency
Remediation is urgent due to the high severity and potential for privilege escalation.
Action
Update to the latest version of Windows.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45597

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-45597coverage & exploitation statusNVD · CVE.org

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