# CVE-2026-23789

## Summary

- **CVE ID:** CVE-2026-23789
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-415
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 16, 2026

## 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.

## Affected Products

- Samsung — Exynos 850 firmware (0)

## References

- [CNA](https://semiconductor.samsung.com/support/quality-support/product-security-updates/)
- [CNA](https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23789/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.11%
- **EPSS Percentile:** 1.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._