Vulnerability Details CVE-2026-20478
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 1.2%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-20478
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cpe:2.3:h:mediatek:mt2735:-
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cpe:2.3:h:mediatek:mt2737:-
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cpe:2.3:h:mediatek:mt6880:-
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cpe:2.3:h:mediatek:mt6988:-
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cpe:2.3:h:mediatek:mt6990:-
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cpe:2.3:o:mediatek:mt2735_firmware:-
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cpe:2.3:o:mediatek:mt2737_firmware:-
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cpe:2.3:o:mediatek:mt6890_firmware:-
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cpe:2.3:o:mediatek:mt6988_firmware:-
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cpe:2.3:o:mediatek:mt6990_firmware:-