CVE-2026-23786 | BDVDB-2026-372579 Detail

SamsungExynos 1280 firmware

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: local.

Weaknesses#

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References#

Exploit#

No public exploit known

History#

Version 12026-09-14Record published in the CVE List.

Published

Published: 2026-09-14
Last modified: 2026-09-14

Vendor information

Vendor: Samsung
Product: Exynos 1280 firmware

All Samsung vulnerabilities

Score

2.8 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 1.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Race Condition

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2025-12-24
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

2.8 Low

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	None
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).