---
id: CVE-2026-23786
title: >-
  An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200,
  1380, 1480, 2400, 1580, 2500, 1680, and 2600
summary: >-
  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.
severity: low
cvss: 2.8
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L'
cwe:
  - CWE-367
vendor: Samsung
product: Exynos 1280 firmware
affected:
  - exynos_1280_firmware <= 2025-12-24
published: '2026-09-14'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:56:19.073'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-23786'
references:
  - url: >-
      https://semiconductor.samsung.com/support/quality-support/product-security-updates/
    label: cve@mitre.org
  - url: >-
      https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23786/
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00081
epssPercentile: 0.00224
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T14:56:45.718532Z'
ingestedAt: '2026-09-14T15:23:07.467Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.