Vulnerability · Published Nov 3, 2026 · Assigned by AMD
CVE-2026-40661
Medium 5.2
In plain English
A medium-severity out-of-bounds write in AMD Compressionator SDK from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 4.0)5.2Medium
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD Compressionator SDK | see references |
Weakness: CWE-787 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N