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ZDI-26-309 HIGH 7.8 Published May 12, 2026

Microsoft Windows Message Queueing Double Free Local Privilege Escalation Vulnerability

Microsoft

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows that run Message Queueing. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8.

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