MediaTek MT8786 Usb use after free

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k2.03-

Summaryinfo

A vulnerability, which was classified as problematic, was found in MediaTek MT2735, MT2737, MT6761, MT6765, MT6768, MT6781, MT6853, MT6855, MT6858, MT6877, MT6878, MT6879, MT6880, MT6881, MT6883, MT6885, MT6889, MT6890, MT6893, MT6897, MT6985, MT6988, MT6989, MT6990, MT6991, MT6993, MT8188, MT8189, MT8196, MT8668, MT8768 and MT8786. This impacts an unknown function of the component Usb. Such manipulation leads to use after free. This vulnerability is documented as CVE-2026-20580. The attack needs to be performed locally. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in MediaTek MT2735, MT2737, MT6761, MT6765, MT6768, MT6781, MT6853, MT6855, MT6858, MT6877, MT6878, MT6879, MT6880, MT6881, MT6883, MT6885, MT6889, MT6890, MT6893, MT6897, MT6985, MT6988, MT6989, MT6990, MT6991, MT6993, MT8188, MT8189, MT8196, MT8668, MT8768 and MT8786 and classified as problematic. Affected by this issue is some unknown functionality of the component Usb. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. CVE summarizes:

In usb, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11412004; Issue ID: MSV-9752.

The advisory is available at mediatek.com. This vulnerability is handled as CVE-2026-20580 since 11/03/2025. The exploitation is known to be easy. Local access is required to approach this attack. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available.

Applying the patch ALPS11412004 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: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
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: ALPS11412004

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-2026-20580 (🔒)

GCVE (CVE): GCVE-0-2026-20580
GCVE (VulDB): GCVE-100-429746

Entryinfo

Created: 11/02/2026 04:07
Changes: 11/02/2026 04:07 (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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