PT-2026-58175 · Microsoft · Appx Deployment Service+1

CVE-2026-49803

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Published

2026-07-14

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Updated

2026-07-15

CVSS v3.1

7.0

High

VectorAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows AppX Deployment Service (affected versions not specified)
Description A race condition exists in the Windows AppX Deployment Service. This occurs when concurrent execution using a shared resource lacks proper synchronization, allowing an authorized local attacker to elevate their privileges.
Recommendations Install the July updates to resolve this issue.

Fix

DoS

Race Condition

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Weakness Enumeration

Related Identifiers

BDU:2026-10018
CVE-2026-49803

Affected Products

Appx Deployment Service
Windows