Quick answers
- Is CVE-2026-40659 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40659 being exploited in the wild.
- How severe is CVE-2026-40659?
- Informational severity, published 3 November 2026.
- Which products and versions are affected?
- AMD Compressonator SDK.
- Is there a fix for CVE-2026-40659?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-40659 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-40659?
- Check whether you run Amd Compressonator SDK. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An integer overflow condition exists in the AMD Compressonator SDK's DDS file parser. The vulnerability requires local access and a specially crafted DirectDraw Surface file as input. Successful exploitation results in denial of service through application crash; no remote code execution or privilege escalation is indicated.
Affected products
- AMD Compressonator SDK
Timeline
- 2026-11-03: disclosed