What is CVE-2026-23790?

CVE-2026-23790 is a medium-severity vulnerability in Samsung Exynos 1280 Firmware, classified under Double Free. CVSS score: 4.2/10. Published 2026-09-14.

How severe is CVE-2026-23790?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Double Free in Samsung Exynos 1280 Firmware

CVE-2026-23790

An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A double-free vulnerability in the Samsung Exynos DPU driver (due to improper pointer management during DMA buffer reallocation) leads to kernel memory corruption and a potential use-after-free.

Vulnerability class: Double Free

EPSS: 0.001 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L.

Affected products

Samsung Exynos 1280 Firmware

Weakness classification (CWE)

CWE-415 — Double Free

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-23790?: CVE-2026-23790 is a medium-severity vulnerability in Samsung Exynos 1280 Firmware, classified under Double Free. CVSS score: 4.2/10. Published 2026-09-14.
How severe is CVE-2026-23790?: Medium severity. CVSS v3 base score is 4.2 out of 10.