CVE-2025-62455: Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability
Published Dec 9, 2025
·Updated
Improper input validation in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
Other sources
Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability
— Microsoft
Affected Software
37 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows Server 2008
Microsoft Windows Server 2008
Microsoft Windows 10=1607
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10 1607<10.0.14393.8688
Microsoft Windows 10 1607<10.0.14393.8688
Microsoft Windows 10 1809<10.0.17763.8146
Microsoft Windows 10 1809<10.0.17763.8146
Microsoft Windows 10 21h2<10.0.19044.6691
Microsoft Windows 10 22h2<10.0.19045.6691
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.8688
Microsoft Windows Server 2019<10.0.17763.8146
Event History
Dec 9, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·05:55 PM
Data Sourced
via MITRE·05:55 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-62455?
CVE-2025-62455 is classified as an Elevation of Privilege vulnerability.
2
How do I fix CVE-2025-62455?
To fix CVE-2025-62455, apply the latest security updates provided by Microsoft for the affected products.
3
Which products are affected by CVE-2025-62455?
CVE-2025-62455 affects various versions of Microsoft Windows Server and Windows 10.
4
Can CVE-2025-62455 be exploited remotely?
CVE-2025-62455 requires local access for exploitation by an authorized attacker.
5
What type of vulnerability is CVE-2025-62455?
CVE-2025-62455 is an Improper Input Validation vulnerability in Microsoft Message Queuing.