Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Security updates
10.0.17763.8146 — https://support.microsoft.com/help/5071544
10.0.19044.6691 — https://support.microsoft.com/help/5071546
10.0.14393.8688 — https://support.microsoft.com/help/5071543
6.0.6003.23666 — https://support.microsoft.com/help/5071504
6.0.6003.23666 — https://support.microsoft.com/help/5071507
6.1.7601.28064 — https://support.microsoft.com/help/5071501
6.1.7601.28064 — https://support.microsoft.com/help/5071506
6.2.9200.25815 — https://support.microsoft.com/help/5071505
6.3.9600.22920 — https://support.microsoft.com/help/5071503
Vulnerabilities 1
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High 7.8
Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability
Improper input validation in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2025-62455 Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62455
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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