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Vulnerability · Published Apr 11, 2023 · Assigned by microsoft

CVE-2023-21554Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

Critical 9.8

In plain English

A critical-severity improper input validation in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 95.4% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)95.4%top 0.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling2Metasploit, Public PoC

Official description

Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.4252
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.4252
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.4252
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.4252
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.1668
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.2846
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.1817
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.2846
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.1555
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.2846
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.19869
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.5850
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.5850
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.5850
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22015
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.22015
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22015
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.26466
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.26466
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.24216
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.24216
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20919
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20919

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References