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OpenAdvisories
High · 7.8 CVE-2025-62455 EUVD-2025-202231GHSA-8gm2-4q24-m56x

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

Published Dec 9, 2025 · Updated Apr 16, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 10 Version 1607 Product: Windows 10 Version 1809 Product: Windows 10 Version 21H2 Product: Windows 10 Version 22H2 Product: Windows Server 2008 R2 Service Pack 1 Product: Windows Server 2008 R2 Service Pack 1 (Server Core installation) Product: Windows Server 2008 Service Pack 2 Product: Windows Server 2008 Service Pack 2 (Server Core installation) Product: Windows Server 2012 Product: Windows Server 2012 (Server Core installation) Product: Windows Server 2012 R2 Product: Windows Server 2012 R2 (Server Core installation) Product: Windows Server 2016 Product: Windows Server 2016 (Server Core installation) Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Platform: Windows

Description

Improper input validation in Windows Message Queuing allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 10 Version 1607 10.0.14393.0 – < 10.0.14393.8688 10.0.14393.8688
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.8146 10.0.17763.8146
Microsoft Windows 10 Version 21H2 10.0.19044.0 – < 10.0.19044.6691 10.0.19044.6691
Microsoft Windows 10 Version 22H2 10.0.19045.0 – < 10.0.19045.6691 10.0.19045.6691
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – < 6.1.7601.28064 6.1.7601.28064
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – < 6.1.7601.28064 6.1.7601.28064
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – < 6.0.6003.23666 6.0.6003.23666
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – < 6.0.6003.23666 6.0.6003.23666
Microsoft Windows Server 2012 6.2.9200.0 – < 6.2.9200.25815 6.2.9200.25815
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – < 6.2.9200.25815 6.2.9200.25815
Microsoft Windows Server 2012 R2 6.3.9600.0 – < 6.3.9600.22920 6.3.9600.22920
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – < 6.3.9600.22920 6.3.9600.22920
Microsoft Windows Server 2016 10.0.14393.0 – < 10.0.14393.8688 10.0.14393.8688
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – < 10.0.14393.8688 10.0.14393.8688
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.8146 10.0.17763.8146
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.8146 10.0.17763.8146

Advisories 3

References