MediaTek MT2735/MT2737/MT6880/MT6890/MT6988/MT6990 Audio HAL race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k3.69

Summaryinfo

A vulnerability, which was classified as critical, has been found in MediaTek MT2735, MT2737, MT6880, MT6890, MT6988 and MT6990. This issue affects some unknown processing of the component Audio HAL. This manipulation causes race condition. This vulnerability is tracked as CVE-2026-20492. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in MediaTek MT2735, MT2737, MT6880, MT6890, MT6988 and MT6990. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Audio HAL. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect availability. The summary by CVE is:

In Audio HAL, there is a possible system becoming unresponsive due to a race condition. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10960026 (Note: For MT6880, MT6890, MT6990, MT6988) / AUTO00851250 (Note: For MT2735, MT2737); Issue ID: MSV-7583.

The advisory is shared at mediatek.com. This vulnerability is known as CVE-2026-20492 since 11/03/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS10960026/AUTO00851250 is able to eliminate this problem.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: ALPS10960026/AUTO00851250

Timelineinfo

11/03/2025 CVE reserved
08/03/2026 +272 days Advisory disclosed
08/03/2026 +0 days VulDB entry created
08/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: mediatek.com
Status: Confirmed

CVE: CVE-2026-20492 (🔒)
GCVE (CVE): GCVE-0-2026-20492
GCVE (VulDB): GCVE-100-385477

Entryinfo

Created: 08/03/2026 05:28
Changes: 08/03/2026 05:28 (54)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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