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Findings

CVE-2026-20446

In sec boot, there is a possible out of bounds write due to an integer overflow.

Published Apr 7, 2026 · updated Jun 17, 2026 · mediatek mt6813 firmware

In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2026 · NIST NVD

    Detected

    In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.

  2. Jun 17, 2026 · NIST NVD

    Updated

    In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.

Affected

  • cpe mediatek/mt6813 firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-20446

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-20446

    In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS099

    nvd.nist.gov

References