SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-23786

A TOCTOU race condition in the Exynos DRM HDR Driver leads to a heap overflow, causing a kernel crash.

LOW 2.8EPSS 0.10%

Does this matter?

Lower severity and a low EPSS score (0.10%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1
2.8 LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L
EPSS
0.10% probability · 1th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-367
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.10%26 October 202626 October 2026

EPSS 0.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.