PT-2026-26691 · Unknown · Gpu Shader Compiler Library

Published 2026-03-20 · Updated 2026-03-23 · CVE-2026-21732

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions versions prior to 2026-21732

Description Loading a web page with unusual GPU shader code into the GPU compiler process can cause a write out-of-bounds write crash in the GPU shader compiler library. In specific scenarios where the compiler process has system privileges, this could potentially lead to further exploitation of the device. A large value used in switch statements within the GPU shader code can cause a segmentation fault in the GPU shader compiler due to an out-of-bounds write access.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-823

CWE-787

Related Identifiers

CVE-2026-21732

Affected Products

Gpu Shader Compiler Library

References · 4

• https://imaginationtech.com/gpu-driver-vulnerabilities · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21732 · Security Note
• https://twitter.com/TheHackerWire/status/2036125794880372794 · Twitter Post
• https://twitter.com/CVEnew/status/2035262125426237474 · Twitter Post