CVE-2009-0079
The RPCSS service in Microsoft Windows XP SP2 and SP3 and Server 2003 SP1 and SP2 does not...
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."
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2009-0079- CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2009-0079- Updated
- 2026-11-02
EUVDEUVD-2009-0088 No score
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."
- Record
EUVD-2009-0088- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xgcq-fj5h-634c No score
The RPCSS service in Microsoft Windows XP SP2 and SP3 and Server 2003 SP1 and SP2 does not...
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."
- Record
GHSA-xgcq-fj5h-634c- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Windows XP/2003 - RPCSS Service Isolation Privilege Escalation | 2009-04-14 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-0079 is a medium vulnerability (CVSS 6.9) in Microsoft Windows Xp, published April 15, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.06%, the 90th percentile. No source names a fixed version.
References
osvdb.org/53667
securitytracker.com/id?1022044
us-cert.gov/cas/techalerts/TA09-104A.html
docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-012
vupen.com/english/advisories/2009/1026
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6147
nvd.nist.gov/vuln/detail/CVE-2009-0079
github.com/advisories/GHSA-xgcq-fj5h-634c