5.5

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mediatek ≫ Mt2735 Firmware Version-
   Mediatek ≫ Mt2735 Version-
Mediatek ≫ Mt2737 Firmware Version-
   Mediatek ≫ Mt2737 Version-
Mediatek ≫ Mt6880 Firmware Version-
   Mediatek ≫ Mt6880 Version-
Mediatek ≫ Mt6890 Firmware Version-
   Mediatek ≫ Mt6890 Version-
Mediatek ≫ Mt6988 Firmware Version-
   Mediatek ≫ Mt6988 Version-
Mediatek ≫ Mt6990 Firmware Version-
   Mediatek ≫ Mt6990 Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.1% 0.012
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://www.mediatek.com/product-security-bulletin/August-2026
Vendor Advisory