MediaTek MT8678 adsp use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k1.22

Summaryinfo

A vulnerability classified as very critical was found in MediaTek MT6858, MT6878, MT6881, MT6897, MT6899, MT6989, MT6991, MT6993, MT8168, MT8186, MT8188, MT8189, MT8195, MT8196, MT8365, MT8367, MT8390, MT8391, MT8668 and MT8678. This issue affects some unknown processing of the component adsp. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2026-20569. The attack needs to be launched locally. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6858, MT6878, MT6881, MT6897, MT6899, MT6989, MT6991, MT6993, MT8168, MT8186, MT8188, MT8189, MT8195, MT8196, MT8365, MT8367, MT8390, MT8391, MT8668 and MT8678. It has been declared as very critical. This vulnerability affects an unknown function of the component adsp. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In adsp, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431474; Issue ID: MSV-9927.

The advisory is available at mediatek.com. This vulnerability was named CVE-2026-20569 since 11/03/2025. The exploitation appears to be easy. Local access is required to approach this attack. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/02/2026).

Applying the patch ALPS11431474 is able to eliminate this problem.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
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: Use after free
CWE: CWE-416 / CWE-119
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: ALPS11431474

Timelineinfo

11/03/2025 CVE reserved
11/02/2026 +364 days Advisory disclosed
11/02/2026 +0 days VulDB entry created
11/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: mediatek.com
Status: Confirmed

CNA: MediaTek
CVE: CVE-2026-20569 (🔒)

GCVE (CVE): GCVE-0-2026-20569
GCVE (VulDB): GCVE-100-429730

Entryinfo

Created: 11/02/2026 04:03
Changes: 11/02/2026 04:03 (54)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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