CVE-2026-23786

LOW CVSS 3.1: 2.8 EPSS 0.08%
Updated Sep 22, 2026
Samsung
Parameter Value
CVSS 2.8 (LOW)
Affected Versions before 2025-12-24
Type CWE-367 (Time-of-check Time-of-use (TOCTOU))
Vendor Samsung
Public PoC No

An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A TOCTOU race condition in the Exynos DRM HDR Driver leads to a heap overflow, causing a kernel crash.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Samsung Exynos_1280_Firmware
cpe:2.3:a:samsung:exynos_1280_firmware:*:*:*:*:*:*:*:*
— <= 2025-12-24