CVE-2026-20495

HIGH CVSS 3.1: 7.8 EPSS 0.10%
Updated Aug 19, 2026
Mediatek
Parameter Value
CVSS 7.8 (HIGH)
Type CWE-862 (Missing Authorization)
Vendor Mediatek
Public PoC No

In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Patch ID: WCNCR00488300; Issue ID: MSV-7296.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 12

Configuration From (including) Up to (excluding)
Mediatek Mt7925_Firmware
cpe:2.3:o:mediatek:mt7925_firmware:-:*:*:*:*:*:*:*
Mediatek Mt7925
cpe:2.3:h:mediatek:mt7925:-:*:*:*:*:*:*:*
Mediatek Mt7927_Firmware
cpe:2.3:o:mediatek:mt7927_firmware:-:*:*:*:*:*:*:*
Mediatek Mt7927
cpe:2.3:h:mediatek:mt7927:-:*:*:*:*:*:*:*
Mediatek Mt7902_Firmware
cpe:2.3:o:mediatek:mt7902_firmware:-:*:*:*:*:*:*:*
Mediatek Mt7902
cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:*
Mediatek Mt7920_Firmware
cpe:2.3:o:mediatek:mt7920_firmware:-:*:*:*:*:*:*:*
Mediatek Mt7920
cpe:2.3:h:mediatek:mt7920:-:*:*:*:*:*:*:*
Mediatek Mt7921_Firmware
cpe:2.3:o:mediatek:mt7921_firmware:-:*:*:*:*:*:*:*
Mediatek Mt7921
cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:*
Mediatek Mt7922_Firmware
cpe:2.3:o:mediatek:mt7922_firmware:-:*:*:*:*:*:*:*
Mediatek Mt7922
cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:*