CVE-2026-23788: Samsung Exynos 1280 Firmware

Medium severity, CVSS 4.2. EPSS: 0.1% chance of exploitation in the next 30 days.

An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, and 1380. A heap overflow in the Exynos DRM HDR driver (due to improper buffer size validation) leads to kernel memory corruption and a system crash.

Affected products

• Samsung Exynos 1280 Firmware: up to and including 2025-12-25

Published 2026-09-14. Last modified 2026-09-22.