Unrated severityNVD Advisory· Published Jul 14, 2026· Updated Aug 3, 2026
Windows AppX Deployment Extensions Elevation of Privilege Vulnerability
CVE-2026-49803
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.
Affected products
1Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49803mitrevendor-advisorypatch
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