PT-2026-58418 · Microsoft · Message Queuing Queue Manager+1

CVE-2026-50439

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Published

2026-07-14

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Updated

2026-07-21

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Microsoft Message Queuing Queue Manager (affected versions not specified)
Description A use after free condition in the Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute arbitrary code over a network, which can affect the system. Use after free is a memory corruption issue that occurs when an application continues to use a pointer after it has been freed.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Use After Free

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Weakness Enumeration

Related Identifiers

CVE-2026-50439

Affected Products

Message Queuing Queue Manager
Windows