Use After Free Vulnerability in Microsoft Windows Message Queuing
CVE-2025-50177

8.1HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
12 August 2025

What is CVE-2025-50177?

A use after free vulnerability in Microsoft Windows Message Queuing could allow unauthorized attackers to execute arbitrary code remotely by leveraging flaws related to memory management. This could facilitate a range of malicious activities, posing significant risks to system integrity and data security.

Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21100

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8330

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7678

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-50177 : Use After Free Vulnerability in Microsoft Windows Message Queuing