CVE-2026-21733

| EUVD-2026-23446 HIGH
2026-04-17 imaginationtech GHSA-4h67-fm2h-4qrp
Information Disclosure Graphics Ddk
7.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Apr 17, 2026 - 19:33 vuln.today
CVSS Changed
Apr 17, 2026 - 18:22 NVD
7.3 (None) 7.3 (HIGH)

DescriptionNVD

Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.

This is caused by improper handling of GPU memory reservation protections.

AnalysisAI

Local privilege escalation in Imagination Technologies Graphics DDK allows low-privileged users to modify read-only GPU memory and files through improper system call handling. Affects DDK versions 1.17 through 25.3 RTM across multiple release branches. …

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RemediationAI

Within 24 hours: inventory all systems running Imagination Technologies Graphics DDK 1.17-25.3 RTM and isolate any handling sensitive data or running untrusted code. Within 7 days: restrict local login access to DDK-running systems to trusted administrators only; implement application whitelisting to prevent execution of untrusted binaries. …

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CVE-2026-21733 vulnerability details – vuln.today
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