CVE-2026-20480 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Mediatek, Inc.	Mediatek Chipset

No data.

No data.

References

Link	Providers
https://www.mediatek.com/product-security-bulletin/August-2026

History

Mon, 03 Aug 2026 19:30:00 +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 04:30:00 +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: ALPS10960023 (Note: For MT6880, MT6890, MT6980D, MT6988, MT6990) / AUTO00851189 (Note: For MT2735, MT3737); Issue ID: MSV-7586.
Weaknesses		CWE-122
References		https://www.mediatek.com/product-security-bulletin/August-2026

MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-08-03T02:05:40.286Z

Updated: 2026-08-03T19:02:18.404Z

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

Link: CVE-2026-20480

Vulnrichment

Updated: 2026-08-03T19:02:15.181Z

NVD

No data.

Redhat

No data.

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