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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 20 Aug 2026 15:15:00 +0000

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 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: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: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 mt6988
Mediatek mt6988 Firmware
Mediatek mt6990
Mediatek mt6990 Firmware

Tue, 04 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
Title Audio HAL Heap Buffer Overflow Leading to Local Denial of Service

Mon, 03 Aug 2026 20:30:00 +0000

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'}


Mon, 03 Aug 2026 09:15:00 +0000

Type Values Removed Values Added
Title Audio HAL Heap Buffer Overflow Leading to Local Denial of Service

Mon, 03 Aug 2026 04:00:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

Mon, 03 Aug 2026 02:45:00 +0000

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: ALPS10981454 (Note: For MT6880, MT6890, MT6988, MT6990) / AUTO00851293 (Note: For MT2735, MT2737); Issue ID: MSV-7638.
Weaknesses CWE-787
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-08-03T19:08:03.304Z

Reserved: 2025-11-03T01:30:59.021Z

Link: CVE-2026-20478

cve-icon Vulnrichment

Updated: 2026-08-03T19:07:59.851Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-03T03:16:42.867

Modified: 2026-08-20T14:58:36.667

Link: CVE-2026-20478

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-04T22:00:07Z

Weaknesses