CVE-2011-1872

Microsoft Windows Server <2008 Gold-SP1 - DoS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-1872. PoCs published by Core Security.

AI-analyzed exploit summary This exploit targets a denial-of-service vulnerability in the Hyper-V driver 'vmswitch.sys' by injecting shellcode to manipulate packet processing. It requires local admin privileges on a guest VM to trigger the DoS condition.

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."

Exploits (1)

exploitdb WORKING POC VERIFIED
by Core Security · textdoswindows
https://www.exploit-db.com/exploits/17401

This exploit targets a denial-of-service vulnerability in the Hyper-V driver 'vmswitch.sys' by injecting shellcode to manipulate packet processing. It requires local admin privileges on a guest VM to trigger the DoS condition.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Complex
Reliability
Reliable
Target: Microsoft Hyper-V (Windows Server 2008/2008 R2 x64-based systems)
Auth required
Prerequisites: Local admin access on a guest VM · Windows XP SP2/SP3 guest OS
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/48179
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12650
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1025644

Scores

EPSS 0.0264
EPSS Percentile 83.6%

Details

CWE
CWE-399
Status published
Products (2)
microsoft/windows_server_2008 (2 CPE variants)
microsoft/windows_server_2008 r2
Published Jun 16, 2011
Tracked Since Feb 18, 2026