CVE-2026-20498: CWE-1287 Improper Validation of Specified Type of Input in MediaTek, Inc. MediaTek chipset
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: ALPS10900493; Issue ID: MSV-6765.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20498) in MediaTek chipsets arises from a missing permission check in the geniezone component, classified under CWE-1287 (Improper Validation of Specified Type of Input). It enables a local attacker who already possesses System privileges to escalate their privileges further without requiring user interaction. The affected chipsets include MT6991, MT8768, MT8792, MT8796, MT8799, MT8873, MT8883, MT8893, and MT8910. The CVSS v3.1 base score is 6.0, indicating medium severity, with high impact on confidentiality and integrity but no impact on availability. No patch or official remediation guidance has been provided yet.
Potential Impact
An attacker with existing System privileges on affected MediaTek chipsets can exploit this vulnerability to escalate their privileges further, potentially gaining higher control over the system. The vulnerability does not require user interaction and impacts confidentiality and integrity. There is no known exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, monitor MediaTek advisories for updates. No specific mitigations are indicated in the available data.
CVE-2026-20498: CWE-1287 Improper Validation of Specified Type of Input in MediaTek, Inc. MediaTek chipset
Description
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: ALPS10900493; Issue ID: MSV-6765.
CVSS v3.1
Score 6.0medium
Affected software
MediaTek, Inc.
MediaTek chipset
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20498) in MediaTek chipsets arises from a missing permission check in the geniezone component, classified under CWE-1287 (Improper Validation of Specified Type of Input). It enables a local attacker who already possesses System privileges to escalate their privileges further without requiring user interaction. The affected chipsets include MT6991, MT8768, MT8792, MT8796, MT8799, MT8873, MT8883, MT8893, and MT8910. The CVSS v3.1 base score is 6.0, indicating medium severity, with high impact on confidentiality and integrity but no impact on availability. No patch or official remediation guidance has been provided yet.
Potential Impact
An attacker with existing System privileges on affected MediaTek chipsets can exploit this vulnerability to escalate their privileges further, potentially gaining higher control over the system. The vulnerability does not require user interaction and impacts confidentiality and integrity. There is no known exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or remediation level is provided, monitor MediaTek advisories for updates. No specific mitigations are indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.027Z
- State
- PUBLISHED
Threat ID: 6a700186bf32cb7a34d5cb05
Added to database: 08/03/2026, 02:48:38 UTC
Last enriched: 08/10/2026, 14:40:34 UTC
Last updated: 09/14/2026, 22:01:32 UTC
Views: 60
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