MediaTek MT8910 Display out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8$0-$5k2.48

Summaryinfo

A vulnerability was found in MediaTek MT6991, MT6993, MT8126, MT8171, MT8188, MT8189, MT8367, MT8668, MT8676, MT8678, MT8766, MT8768, MT8781, MT8786, MT8791T, MT8799 and MT8910. It has been declared as very critical. This vulnerability affects unknown code of the component Display. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2026-20475. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in MediaTek MT6991, MT6993, MT8126, MT8171, MT8188, MT8189, MT8367, MT8668, MT8676, MT8678, MT8766, MT8768, MT8781, MT8786, MT8791T, MT8799 and MT8910. Affected by this issue is some unknown processing of the component Display. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In display, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11004276; Issue ID: MSV-7748.

The advisory is available at mediatek.com. This vulnerability is handled as CVE-2026-20475 since 11/03/2025. The exploitation is known to be easy. Local access is required to approach this attack. Additional levels of successful authentication are needed for exploitation. 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 08/03/2026).

Applying the patch ALPS11004276 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: 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: Out-of-bounds write
CWE: CWE-787 / 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: ALPS11004276

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-2026-20475 (🔒)
GCVE (CVE): GCVE-0-2026-20475
GCVE (VulDB): GCVE-100-385454

Entryinfo

Created: 08/03/2026 05:07
Changes: 08/03/2026 05:07 (54)
Complete: 🔍
Cache ID: 216::103

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