Ddk
CVE-2026-21736
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Improper GPU system call handling in the DDK allows non-privileged users to bypass memory protections on user-mode wrapped memory regions and gain unauthorized write access. An attacker with local access could exploit this to modify read-only memory structures, potentially compromising system integrity or escalating privileges. …
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Vulnerability AssessmentAI
| Risk Assessment | CVSS 4.4 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker could exploit this vulnerability to compromise the affected system. |
| Remediation | Monitor vendor advisories for a patch. Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …
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Same technique Information Disclosure
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External POC / Exploit Code
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