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CVE-2026-20478

5.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

In Audio HAL, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10981454 (Note: For MT6880, MT6890, MT6988, MT6990) / AUTO00851293 (Note: For MT2735, MT2737); Issue ID: MSV-7638.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.5 · mediatekNVD modified 2026-10-23 22:10

Affected (CPE criteria) 6

  • cpe:2.3:o:mediatek:mt2735_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt2737_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6880_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6890_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6988_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6990_firmware:-:*:*:*:*:*:*:*

References 1