CVE-2026-23789

Double‑Free Vulnerability in Samsung Exynos 850 MFC Encoder Driver

Published Sep 14, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver (due to improper cleanup of dma_buf references during error handling) leads to kernel memory corruption and potential arbitrary code execution.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Double‑Free Vulnerability in Samsung Exynos 850 MFC Encoder Driver
Type Values Removed Values Added
Title Double‑Free in Exynos MFC Encoder Driver Enables Kernel Memory Corruption
Type Values Removed Values Added
Title Double‑Free in Exynos MFC Encoder Driver Enables Kernel Memory Corruption
Type Values Removed Values Added
Description An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver (due to improper cleanup of dma_buf references during error handling) leads to kernel memory corruption and potential arbitrary code execution.
First Time appeared Samsung
Samsung exynos 850 Firmware
Weaknesses CWE-415
CPEs cpe:2.3:a:samsung:exynos_850_firmware:*:*:*:*:*:*:*:*
Vendors & Products Samsung
Samsung exynos 850 Firmware
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 16, 2026, 2:24 PM
Reserved
Jan 16, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Sep 14, 2026, 2:17 AM
Modified
Sep 22, 2026, 7:56 PM