CVE-2026-40661
Deferred Deferred - Pending Action

Out-of-Bounds Write in AMD Compressonator SDK

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Advanced Micro Devices Inc.

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).

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Meta Information

Published
2026-11-03
Last Modified
2026-11-03
Generated
2026-11-03
AI Q&A
2026-11-03
EPSS Evaluated
N/A
NVD
CVE-2026-40661
EUVD
EUVD-2026-115878

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
amd compressonator_sdk *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This is an out-of-bounds write vulnerability in the AMD Compressonator SDK. An attacker with local access can exploit it by providing a specially crafted DirectDraw Surface (DDS) file, which may cause heap corruption or denial of service.

Impact Analysis

It may lead to heap corruption or denial of service if a malicious DDS file is processed. This requires local access and user interaction to trigger.

Mitigation Strategies

Update the AMD Compressonator SDK to the latest version provided by AMD to address the out-of-bounds write vulnerability. Avoid processing untrusted DDS files from unknown sources to prevent potential exploitation.

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