Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
How could an attacker exploit the vulnerability?
To exploit this vulnerability, an authenticated attacker would need to send a specially crafted MSMQ packet to a MSMQ server. This could result in remote code execution on the server side.
Security updates
10.0.17763.7678 — https://support.microsoft.com/help/5063877
10.0.20348.4052 — https://support.microsoft.com/help/5063880
10.0.20348.3989 — https://support.microsoft.com/help/5063812
10.0.19044.6216 — https://support.microsoft.com/help/5063709
10.0.22621.5768 — https://support.microsoft.com/help/5063875
10.0.26100.4946 — https://support.microsoft.com/help/5063878
10.0.26100.4851 — https://support.microsoft.com/help/5064010
10.0.25398.1791 — https://support.microsoft.com/help/5063899
10.0.10240.21100 — https://support.microsoft.com/help/5063889
10.0.14393.8330 — https://support.microsoft.com/help/5063871
6.0.6003.23471 — https://support.microsoft.com/help/5063888
6.0.6003.23471 — https://support.microsoft.com/help/5063948
6.1.7601.27872 — https://support.microsoft.com/help/5063947
6.1.7601.27872 — https://support.microsoft.com/help/5063927
6.2.9200.25622 — https://support.microsoft.com/help/5063906
6.3.9600.22725 — https://support.microsoft.com/help/5063950
Vulnerabilities 1
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High 8.8
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Message Queuing allows an authorized attacker to execute code over a network.
Revision history
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#1
Information published.
References
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CVE-2025-53143 Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53143
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss