What is CVE-2025-62455?

CVE-2025-62455 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2025-62455 cover?

CVE-2025-62455 covers the following CVE IDs: CVE-2025-62455. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-62455?

CVE-2025-62455 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-62455?

CVE-2025-62455 affects 24 products, including: Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows 10 Version 21H2 for 32-bit Systems; and others — see the full list on the advisory page.

CVE-2025-62455HighCVSS 7.8

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

December 9, 2025

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-62455 →

📋 Description

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

🎯 Affected products24

Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)

✅ Remediation

KB5071544 (Security Update) — fixed build 10.0.17763.8146 KB5071546 (Security Update) — fixed build 10.0.19044.6691 KB5071546 (Security Update) — fixed build 10.0.19045.6691 KB5071543 (Security Update) — fixed build 10.0.14393.8688 KB5071504 (Monthly Rollup) — fixed build 6.0.6003.23666 KB5071507 (Security Only) — fixed build 6.0.6003.23666 KB5071501 (Monthly Rollup) — fixed build 6.1.7601.28064 KB5071506 (Security Only) — fixed build 6.1.7601.28064 KB5071505 (Monthly Rollup) — fixed build 6.2.9200.25815 KB5071503 (Monthly Rollup) — fixed build 6.3.9600.22920

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products24

✅ Remediation

🔗 References (19)