CVE-2026-23786
Received Received - Intake

Heap Overflow in Exynos DRM HDR Driver

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: MITRE

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 Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-14
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2026-23786
EUVD
EUVD-2026-77142

Affected Vendors & Products

Showing 9 associated CPEs
Vendor Product Version / Range
samsung exynos 1280
samsung exynos 2200
samsung exynos 1380
samsung exynos 1480
samsung exynos 2400
samsung exynos 1580
samsung exynos 2500
samsung exynos 1680
samsung exynos 2600

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-367 The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a race condition in the Exynos DRM HDR Driver of Samsung Mobile Processors. It leads to a heap overflow, which can cause a kernel crash and system instability.

Impact Analysis

The vulnerability may cause system instability or crashes due to memory access errors. It requires local access and has a low impact on confidentiality, integrity, and availability.

Mitigation Strategies

Apply security updates from Samsung for affected Exynos SoC models. Monitor vendor advisories for patched versions and update the Display Processing Unit (DPU) driver immediately.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-23786. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart