MediaTek MT8910 Display integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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2.2$0-$5k1.24

Summaryinfo

A vulnerability categorized as problematic has been discovered in MediaTek MT6991, MT6993, MT8126, MT8171, MT8188, MT8189, MT8367, MT8668, MT8676, MT8678, MT8766, MT8768, MT8781, MT8786, MT8791T, MT8799 and MT8910. This affects an unknown function of the component Display. The manipulation results in integer overflow. This vulnerability is known as CVE-2026-20489. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in MediaTek MT6991, MT6993, MT8126, MT8171, MT8188, MT8189, MT8367, MT8668, MT8676, MT8678, MT8766, MT8768, MT8781, MT8786, MT8791T, MT8799 and MT8910. Affected is an unknown functionality of the component Display. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality. CVE summarizes:

In display, there is a possible information disclosure due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11004274; Issue ID: MSV-7749.

The advisory is available at mediatek.com. This vulnerability is traded as CVE-2026-20489 since 11/03/2025. The exploitability is told 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.

Applying the patch ALPS11004274 is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.3
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.3
VulDB Temp Score: 2.2
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: Integer overflow
CWE: CWE-190 / CWE-189
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: ALPS11004274

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-2026-20489 (🔒)
GCVE (CVE): GCVE-0-2026-20489
GCVE (VulDB): GCVE-100-385470

Entryinfo

Created: 08/03/2026 05:25
Changes: 08/03/2026 05:25 (54)
Complete: 🔍
Cache ID: 216::103

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