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    CVE-2026-23789

    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.

    Published:Sep 14, 2026
    Last Modified:Sep 16, 2026
    EPS:Sep 14, 2026
    EPSS Score:0.00109
    CVSS Score:7.8

    Affected Products

    Vendor
    Samsung
    Product
    Exynos 850 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-415 Double Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-33970 (CVSS 3.5) — An issue was discovered in NR RRC and L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 850…
    CVE-2026-33962 (CVSS 2.8) — An issue was discovered in Wi-Fi in Samsung Mobile Processor Exynos 850, 1280, 1330, 1380, 1480, 2400, W920, a…
    CVE-2023-37366 (CVSS 2.8) — An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem Exynos 9810, Exyno…
    CVE-2025-52909 (CVSS 9.8) — An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850…
    CVE-2025-62818 (CVSS 9.8) — An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080,…
    CVE-2025-52908 (CVSS 9.8) — An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850…
    CVE-2025-54328 (CVSS 10) — An issue was discovered in SMS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850…
    CVE-2025-57834 (CVSS 7.5) — An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem (Exynos 980, 850, 990, 1080…
    CVE-2025-57835 (CVSS 7.5) — An issue was discovered in RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850…
    CVE-2025-54601 (CVSS 7) — An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor amd Wearable Processor Exynos 980, 850…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High