CVE-2009-1542

CriticalCVSS 9.0/10Last modified Jun 16, 2026

Description

The Virtual Machine Monitor (VMM) in Microsoft Virtual PC 2004 SP1, 2007, and 2007 SP1, and Microsoft Virtual Server 2005 R2 SP1, does not enforce CPU privilege-level requirements for all machine instructions, which allows guest OS users to execute arbitrary kernel-mode code and gain privileges within the guest OS via a crafted application, aka "Virtual PC and Virtual Server Privileged Instruction Decoding Vulnerability."

Metrics

CVSS 2.0 9.0/10AV:N/AC:L/Au:S/C:C/I:C/A:C

Weakness enumeration

CWE-264

Affected software

No affected versions have been published.

Timeline

Published: Jul 15, 2009
Last modified: Jun 16, 2026
NVD status: Modified

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