Use-After-Free Vulnerability in Samsung Exynos Mobile Processors
CVE-2026-23787

4.2MEDIUM

Key Information:

Vendor

Samsung

Vendor
CVE Published:
14 September 2026

What is CVE-2026-23787?

A vulnerability has been identified in the Samsung Exynos mobile processors, specifically within the Digital Processing Unit (DPU). The issue arises from a use-after-free condition in the Exynos Digital Rights Management (DRM) High Dynamic Range (HDR) driver, which occurs due to inadequate cleanup procedures following a vmap failure. This mismanagement can result in kernel crashes, impacting device stability and compromising user security.

Affected Version(s)

Exynos 1280 firmware 0 <= 2025-12-24

References

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.