CVE-2026-21736

MEDIUM
2026-03-09 367425dc-4d06-4041-9650-c2dc6aaa27ce
4.4
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:56 vuln.today
CVE Published
Mar 09, 2026 - 13:15 nvd
MEDIUM 4.4

Tags

Information Disclosure Ddk

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.

Analysis

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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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +22
POC: 0

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CVE-2026-21736 vulnerability details – vuln.today
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