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 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
Microsoft Windows Server 2008 R2<6.1.7601.28064
6.1.7601.28064
Microsoft Windows Server 2012<6.2.9200.25815
6.2.9200.25815
Microsoft Windows Server 2008 R2<6.1.7601.28064
6.1.7601.28064
Microsoft Windows Server 2012 R2<6.3.9600.22920
6.3.9600.22920
Microsoft Windows Server 2016<10.0.14393.8688
10.0.14393.8688
Microsoft Windows Server 2012 R2<6.3.9600.22920
6.3.9600.22920
Microsoft Windows Server 2012<6.2.9200.25815
6.2.9200.25815
Microsoft Windows Server 2008<6.0.6003.23666
6.0.6003.23666
Microsoft Windows 10=1607
10.0.14393.8688
Microsoft Windows Server 2016<10.0.14393.8688
10.0.14393.8688
Microsoft Windows 10=1607
10.0.14393.8688
Microsoft Windows Server 2008<6.0.6003.23666
6.0.6003.23666
Microsoft Windows 10=21H2
10.0.19044.6691
Microsoft Windows Server 2008<6.0.6003.23666
6.0.6003.23666
Microsoft Windows 10=22H2
10.0.19045.6691
Microsoft Windows 10=22H2
10.0.19045.6691
Microsoft Windows Server 2019<10.0.17763.8146
10.0.17763.8146
Microsoft Windows Server 2008<6.0.6003.23666
6.0.6003.23666
Microsoft Windows 10=22H2
10.0.19045.6691
Microsoft Windows 10=21H2
10.0.19044.6691
Microsoft Windows 10=21H2
10.0.19044.6691
Microsoft Windows Server 2019<10.0.17763.8146
10.0.17763.8146
Microsoft Windows 10=1809
10.0.17763.8146
Microsoft Windows 10=1809
10.0.17763.8146

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.1.7601.28064Patch KB5071506
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.2.9200.25815Patch KB5071505
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.3.9600.22920Patch KB5071503
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.8688Patch KB5071543
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.0.6003.23666Patch KB5071507
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19044.6691Patch KB5071546
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19045.6691Patch KB5071546
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.8146Patch KB5071544

Event History

Dec 9, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
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.

Contact

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