What’s Vulnerable › Vulnerabilities

CVE-2011-1872

• Severity: medium (CVSS 4.7 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2011-06-16 · updated 2026-06-16
• Weakness: CWE-399

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."

Affected products

• Microsoft Windows Server 2008: r2

References

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

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