CVE-2009-0079
The RPCSS service in Microsoft Windows XP SP2 and SP3 and Server 2003 SP1 and SP2 does not properly implement isolation among a set of distinct processes that (1) all run under the NetworkService account or (2) all run under the LocalService account, which allows local users to gain privileges by accessing the resources of one of the processes, aka "Windows RPCSS Service Isolation Vulnerability."
Key facts
- CVSS score
- 6.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-264
- EPSS score
- 4.1% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0088)
- Published
- April 15, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0088 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
Certified products that may be affected
4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Windows XP Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 989 - historical
- Windows XP Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH) - Microsoft Corporation - FIPS 140 990 - historical
- Microsoft Windows Server 2003 SP2 including R2, Standard, Enterprise, Datacenter, x64, and Itanium Editions; Windows XP Professional SP2 and x64 SP2; Windows XP Embedded SP2 - Microsoft Corporation - Common Criteria CCEVS-VR-VID-10184-2008 - archived
- Microsoft Windows 2003 and Microsoft Windows XP - Microsoft Corporation - Common Criteria CCEVS-VR-0131-2005 - archived
References
- http://osvdb.org/53667
- http://www.securitytracker.com/id?1022044
- http://www.us-cert.gov/cas/techalerts/TA09-104A.html(US Government Resource)
- http://www.vupen.com/english/advisories/2009/1026
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-012
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6147
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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