Unrated severityNVD Advisory· Published Jul 14, 2026· Updated Aug 3, 2026
Microsoft Windows App Store Elevation of Privilege Vulnerability
CVE-2026-42900
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows App Store allows an unauthorized attacker to elevate privileges over a network.
Affected products
1Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42900mitrevendor-advisorypatch
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