CVE-2026-20495

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.mediatek.com/product-security-bulletin/August-2026	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:mediatek:mt7925_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7925:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:mediatek:mt7927_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7927:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:mediatek:mt7902_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:mediatek:mt7920_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7920:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:mediatek:mt7921_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:mediatek:mt7922_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:*

History

23 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) En el controlador de Bluetooth, existe una posible omisión de permisos debido a una falta de verificación de permisos. Esto podría conducir a una escalada local de privilegios con privilegios de ejecución de usuario necesarios. La interacción del usuario no es necesaria para la explotación. ID del parche: WCNCR00488300; ID del problema: MSV-7296.

Information

Published : 2026-08-03 03:16

Updated : 2026-10-23 22:10

NVD link : CVE-2026-20495

Mitre link : CVE-2026-20495

CVE.ORG link : CVE-2026-20495

JSON object : View

Products Affected

mediatek

mt7922_firmware
mt7921
mt7922
mt7921_firmware
mt7920_firmware
mt7902
mt7920
mt7925_firmware
mt7927_firmware
mt7927
mt7902_firmware
mt7925

CWE

CWE-862

Missing Authorization

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