VYPR
Unrated severityNVD Advisory· Published Jul 15, 2009· Updated Apr 23, 2026

CVE-2009-1542

CVE-2009-1542

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."

Affected products

6
  • cpe:2.3:a:microsoft:virtual_pc:2004:sp1:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:microsoft:virtual_pc:2004:sp1:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:virtual_pc:2007:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:virtual_pc:2007:sp1:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:virtual_pc:2007:*:x64:*:*:*:*:*
  • cpe:2.3:a:microsoft:virtual_server:2005:r2_sp1:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:microsoft:virtual_server:2005:r2_sp1:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:virtual_server:2005:r2_sp1:x64:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

6

News mentions

0

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