CVE-2011-1872

Description

Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause a denial of service (host OS infinite loop) via malformed machine instructions in a VMBus packet, aka "VMBus Persistent DoS Vulnerability."

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.46% Top 20%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/48179 vdb entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12650 vdb entry signature
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-047 vendor advisory
http://www.securitytracker.com/id?1025644 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-1872?
CVE-2011-1872 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1872?
To fix CVE-2011-1872, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1872 being actively exploited in the wild?
It is possible that CVE-2011-1872 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.