Quick answers
- Is CVE-2026-40661 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40661 being exploited in the wild.
- How severe is CVE-2026-40661?
- Informational severity, published 3 November 2026.
- Which products and versions are affected?
- AMD Compressonator SDK.
- Is there a fix for CVE-2026-40661?
- 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-2026-40661 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-40661?
- 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 out-of-bounds write condition exists in the DDS file parsing component of AMD Compressonator SDK. A local attacker can supply a specially crafted DDS file to trigger heap corruption or denial of service. The attack requires local access and user interaction to open or process the malicious file.
Affected products
- AMD Compressonator SDK
Timeline
- 2026-11-03: disclosed