TI-2011-01648 Aliases CVE-2011-1872 GHSA-w37q-mj57-9rm2

Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users…

LOW 27CWE-399Published 2011-06-16 · Updated 2024-08-06

Key facts

Attack vector: Local
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

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."

Why it matters now

EPSS 0.02644 85th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:microsoft:windows_server_2008:::x64:::::*	all versions	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2008::sp2:x64:::::	all versions	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2008:r2::x64:::::	r2	Vulnerable	Microsoft

cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:* Versions r2 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2011-1872
2026-10-03 Alias added: GHSA-w37q-mj57-9rm2

References

Advisory 1

MS11-047

Other 1

oval:org.mitre.oval:def:12650

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TI-2019-00485 Use after free in Microsoft Windows KEVCVSS 3.1CRITICAL 9.8
TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
TI-2015-01465 HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1… KEVCVSS 3.1CRITICAL 9.8
TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8

See all 3551 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences