CVE-2026-21733: imagination technologies graphics ddk
CVSS: 7.3v3.1HighAnalyzed
Published 17-04-2026Last modified 26-06-2026
Vulnerability summary
CVE-2026-21733 is a high (CVSS 7.3) vulnerability in imagination technologies graphics ddk. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.7% of scored vulnerabilities.
CVSS score
7.3/10
010
High · v3.1 (CVE.org)EPSS score
0.10%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-04-2026PublishedVulnerability first disclosed.
- 26-06-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:LSourcesAll 2 agree
- NVDNIST7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
EPSS trend
Probability
0.10%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
0.00 pp
From 0.10% on 21-09-2026
21-09-202621-10-2026
EPSS score0.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-280Improper Handling of Insufficient Permissions or PrivilegesThe product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Imagination technologies1 product
- graphics ddk1.18 RTM | 23.2 RTM | ≥ 24.1 RTM, ≤ 24.2 RTM | ≥ 25.1 RTM, ≤ 25.3 RTM
Imaginationtech1 product
- ddk< 25.3 | 25.3:rtm
2 vendors · 2 products
References
1 links- www.imaginationtech.com/gpu-driver-vulnerabilities/Vendor Advisory