PT-2026-58431 · Microsoft · Windows User Interface Core+1

CVE-2026-50454

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Published

2026-07-14

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Updated

2026-07-27

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows AppResolver (affected versions not specified)
Description An authorization flaw in the Windows AppResolver allows for local privilege escalation. An attacker can exploit this issue to bypass container isolation, moving from a zero-capability AppContainer to a full interactive SYSTEM shell.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

LPE

DoS

Relative Path Traversal

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Weakness Enumeration

Related Identifiers

BDU:2026-10603
CVE-2026-50454

Affected Products

Windows
Windows User Interface Core