How severe is CVE-2026-21736?

CVE-2026-21736 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-21736 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21736?

CVE-2026-21736 primarily affects Imaginationtech Ddk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-21736?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21736 have an EU (EUVD) identifier?

Yes. CVE-2026-21736 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10330.

When was CVE-2026-21736 published?

CVE-2026-21736 was published on 2026-03-09 and last updated on 2026-06-17.

CVE-2026-21736

CVE-2026-21736 is a medium-severity vulnerability in Imaginationtech Ddk with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-280.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10330
Weakness: CWE-280
Affected product: Imaginationtech Ddk
Published: 2026-03-09
Last modified: 2026-06-17

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. This is caused by improper handling of the memory protections for the user-mode wrapped memory resource.

Frequently asked questions

What is CVE-2026-21736?: 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. This is caused by improper handling of the memory protections for the user-mode wrapped memory resource.
How severe is CVE-2026-21736?: CVE-2026-21736 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-21736 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21736?: CVE-2026-21736 primarily affects Imaginationtech Ddk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-21736?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21736 have an EU (EUVD) identifier?: Yes. CVE-2026-21736 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10330.
When was CVE-2026-21736 published?: CVE-2026-21736 was published on 2026-03-09 and last updated on 2026-06-17.

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/

Affected products (2)

cpe:2.3:a:imaginationtech:ddk:25.1:-:*:*:*:*:*:*
cpe:2.3:a:imaginationtech:ddk:25.1:rtm2:*:*:*:*:*:*

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