Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
43Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 89%
exploitation probability
89%top 1% of all CVEs
observed exploitation
nono source reports it
In short
Microsoft Message Queuing (MSMQ) has a vulnerability that allows an attacker to crash the service by sending specially crafted messages, preventing legitimate users from accessing the queue system. This can disrupt business operations that depend on message processing.
Technical detail
CWE-125 buffer over-read in MSMQ message processing allows remote DoS via malformed message packets without authentication. The vulnerability triggers a service crash when processing out-of-bounds memory reads, impacting availability of message queue infrastructure.
Summary generated and translated by AI from the official description.
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 20H2Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 21H2Microsoft · Windows 11 version 22H2Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022