CVE-2026-20480

Audio HAL Heap Buffer Overflow Causes Local Denial of Service

Published Aug 3, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
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: ALPS10960023 (Note: For MT6880, MT6890, MT6980D, MT6988, MT6990) / AUTO00851189 (Note: For MT2735, MT3737); Issue ID: MSV-7586.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

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History
Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt2735
Mediatek mt2735 Firmware
Mediatek mt2737
Mediatek mt2737 Firmware
Mediatek mt6880
Mediatek mt6880 Firmware
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6980d
Mediatek mt6980d Firmware
Mediatek mt6988
Mediatek mt6988 Firmware
Mediatek mt6990
Mediatek mt6990 Firmware
CPEs cpe:2.3:h:mediatek:mt2735:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt2737:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6880:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6980d:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6988:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*
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:mt6980d_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6988_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6990_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt2735
Mediatek mt2735 Firmware
Mediatek mt2737
Mediatek mt2737 Firmware
Mediatek mt6880
Mediatek mt6880 Firmware
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6980d
Mediatek mt6980d Firmware
Mediatek mt6988
Mediatek mt6988 Firmware
Mediatek mt6990
Mediatek mt6990 Firmware
Type Values Removed Values Added
Title Audio HAL Heap Buffer Overflow Causes Local Denial of Service
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Type Values Removed Values Added
Description 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: ALPS10960023 (Note: For MT6880, MT6890, MT6980D, MT6988, MT6990) / AUTO00851189 (Note: For MT2735, MT3737); Issue ID: MSV-7586.
Weaknesses CWE-122
References