VDB-360943 · CVE-2026-20448 · GCVE-0-2026-20448

MediaTek MT8910 geniezone insufficient privileges

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in MediaTek MT6765, MT6768, MT6789, MT6877, MT6897, MT6899, MT6989, MT6991, MT6993, MT8367, MT8766, MT8768, MT8775, MT8781, MT8786, MT8788E, MT8791T, MT8792, MT8793, MT8796, MT8893 and MT8910. Affected by this vulnerability is an unknown functionality of the component geniezone. This manipulation causes insufficient privileges. This vulnerability appears as CVE-2026-20448. The attack requires local access. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in MediaTek MT6765, MT6768, MT6789, MT6877, MT6897, MT6899, MT6989, MT6991, MT6993, MT8367, MT8766, MT8768, MT8775, MT8781, MT8786, MT8788E, MT8791T, MT8792, MT8793, MT8796, MT8893 and MT8910. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component geniezone. The manipulation with an unknown input leads to a insufficient privileges vulnerability. The CWE definition for the vulnerability is CWE-280. The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In geniezone, there is a possible escalation of privilege due to a missing permission 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: ALPS10708513; Issue ID: MSV-6281.

It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2026-20448 since 11/03/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Chip Software

Vendor

MediaTek

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Insufficient privileges
CWE: CWE-280 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/03/2025 CVE reserved
05/04/2026 +181 days Advisory disclosed
05/04/2026 +0 days VulDB entry created
05/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: corp.mediatek.com
Status: Confirmed

CVE: CVE-2026-20448 (🔒)
GCVE (CVE): GCVE-0-2026-20448
GCVE (VulDB): GCVE-100-360943

Entryinfo

Created: 05/04/2026 09:06
Changes: 05/04/2026 09:06 (53)
Complete: 🔍
Cache ID: 216::103