PT-2026-58329 · Microsoft · Windows 11+1

CVE-2026-50340

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Published

2026-07-14

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Updated

2026-07-15

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Windows 11 (affected versions not specified)
Description A use-after-free flaw in the Windows Runtime allows an authorized network user to elevate their privileges to administrator level. Use-after-free is a memory corruption issue that occurs when an application continues to use a pointer after it has been freed, which can be exploited to execute arbitrary code or gain unauthorized access.
Recommendations Apply the security update provided by Microsoft for Windows 11.

Fix

DoS

Use After Free

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Weakness Enumeration

Related Identifiers

BDU:2026-09866
CVE-2026-50340

Affected Products

Windows
Windows 11