Vulnerability · Published Sep 14, 2026 · Assigned by mitre
CVE-2026-23788
Medium 4.2
In plain English
A medium-severity heap buffer overflow in Exynos 1280 firmware from Samsung. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)4.2Medium
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Samsung | Exynos 1280 firmware | 0 – through 2025-12-25 |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L