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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Mediatek, Inc.
  • Mediatek Chipset

No data.

No data.

References
Link Providers
https://corp.mediatek.com/product-security-bulletin/July-2026 cve-icon
History

Mon, 06 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Title Permissions Bypass in Modem Enables Local Privilege Escalation on MediaTek Chipsets

Mon, 06 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Permissions Bypass in Modem Enables Local Privilege Escalation on MediaTek Chipsets

Sun, 05 Jul 2026 19:15:00 +0000

Type Values Removed Values Added
Title Privileged Escalation via Permissions Bypass in MediaTek Modem

Sun, 05 Jul 2026 03:30:00 +0000

Type Values Removed Values Added
Title Privileged Escalation via Permissions Bypass in MediaTek Modem

Sat, 04 Jul 2026 14:45:00 +0000

Type Values Removed Values Added
Title Modem Permissions Bypass Leading to Local Privilege Escalation

Sat, 04 Jul 2026 03:45:00 +0000

Type Values Removed Values Added
Title Modem Permissions Bypass Leading to Local Privilege Escalation

Fri, 03 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Modem Permissions Bypass on MediaTek Chipsets

Fri, 03 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Modem Permissions Bypass on MediaTek Chipsets

Thu, 02 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via Permissions Bypass in MediaTek Modem

Thu, 02 Jul 2026 11:00:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via Permissions Bypass in MediaTek Modem

Wed, 01 Jul 2026 23:45:00 +0000

Type Values Removed Values Added
Title Modem Permissions Bypass Enables Local Privilege Escalation on Mediatek Chipsets

Wed, 01 Jul 2026 19:00:00 +0000

Type Values Removed Values Added
Title Modem Permissions Bypass Enables Local Privilege Escalation on Mediatek Chipsets

Wed, 01 Jul 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

Wed, 01 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Title Privilege Escalation in MediaTek Modem via Permissions Bypass

Wed, 01 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 01 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
Title Privilege Escalation in MediaTek Modem via Permissions Bypass

Wed, 01 Jul 2026 03:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-280
References
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-07-01T03:14:06.372Z

Updated: 2026-07-02T03:55:18.676Z

Reserved: 2025-11-03T01:30:59.015Z

Link: CVE-2026-20463

cve-icon Vulnrichment

Updated: 2026-07-01T10:35:47.748Z

cve-icon NVD

No data.

cve-icon Redhat

No data.