CVE-2026-20463: CWE-280 Improper Handling of Insufficient Permissions or Privileges in MediaTek, Inc. MediaTek chipset
In Modem, there is a possible escalation of privilege due to a permissions bypass. 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: MOLY01716533; Issue ID: MSV-6309.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20463) involves improper handling of insufficient permissions (CWE-280) in the modem of MediaTek chipsets. It allows a local attacker with existing System privileges to bypass permission checks and escalate privileges further. Exploitation does not require user interaction. The issue is identified by MediaTek under Patch ID MOLY01716533 and Issue ID MSV-6309. No official remediation level or patch availability is stated in the provided data.
Potential Impact
Successful exploitation could lead to local escalation of privilege, granting an attacker with System privilege higher privileges or capabilities. This could compromise confidentiality, integrity, and availability of the affected device. However, exploitation requires the attacker to already have System-level access, limiting the initial attack vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor MediaTek advisories for updates. No specific mitigation steps are indicated in the provided data.
CVE-2026-20463: CWE-280 Improper Handling of Insufficient Permissions or Privileges in MediaTek, Inc. MediaTek chipset
Description
In Modem, there is a possible escalation of privilege due to a permissions bypass. 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: MOLY01716533; Issue ID: MSV-6309.
CVSS v3.1
Score 6.7medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20463) involves improper handling of insufficient permissions (CWE-280) in the modem of MediaTek chipsets. It allows a local attacker with existing System privileges to bypass permission checks and escalate privileges further. Exploitation does not require user interaction. The issue is identified by MediaTek under Patch ID MOLY01716533 and Issue ID MSV-6309. No official remediation level or patch availability is stated in the provided data.
Potential Impact
Successful exploitation could lead to local escalation of privilege, granting an attacker with System privilege higher privileges or capabilities. This could compromise confidentiality, integrity, and availability of the affected device. However, exploitation requires the attacker to already have System-level access, limiting the initial attack vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor MediaTek advisories for updates. No specific mitigation steps are indicated in the provided data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- MediaTek
- Date Reserved
- 2025-11-03T01:30:59.015Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a448b4d27e9c79719e6c5f3
Added to database: 07/01/2026, 03:36:45 UTC
Last enriched: 07/08/2026, 12:03:00 UTC
Last updated: 08/15/2026, 00:41:11 UTC
Views: 116
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