CVE-2026-40661
UnratedPublished 2026-11-03 ยท last changed 2026-11-03
The fix
We hold no Microsoft remediation data for CVE-2026-40661, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.
What it is
An out-of-bounds write (OOW) condition in the AMD Compressonator SDK could allow an attacker with local access to supply a specially crafted DirectDraw Surface (DDS) file to a user or an automated pipeline, potentially resulting in heap corruption or denial of service (DoS).