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CVE-2009-1542
The Virtual Machine Monitor (VMM) in Microsoft Virtual PC 2004 SP1, 2007, and 2007 SP1, and Microsoft Virtual Server 2005 R2 SP1, does not…
High9.0EPSS 8.0%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 8.0% · top 5.2% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.0.
Weakness
Affected products
n/a
- affected n/a
References (6)
- ADV-2009-1890 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 35808 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MS09-033 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 1022544 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- TA09-195A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- oval:org.mitre.oval:def:6166 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-1542)Record last updated .