CVE-2026-20490

In ccci, there is a possible out of bounds read due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10981501; Issue ID: MSV-7669.

CVSS v3 4.4 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

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:mt6813_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:mediatek:mt6982vb_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6982vb:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:mediatek:mt6986_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6986:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:mediatek:mt6986d_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6986d:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:mediatek:mt6988_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:mediatek:mt6988:-:*:*:*:*:*:*:*

History

23 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) En ccci, existe una posible lectura fuera de límites debido a una comprobación de límites faltante. Esto podría llevar a una denegación de servicio local si un actor malicioso ya ha obtenido el privilegio de Sistema. No se necesita interacción del usuario para la explotación. ID del parche: ALPS10981501; ID del problema: MSV-7669.

Information

Published : 2026-08-03 03:16

Updated : 2026-10-23 22:10

NVD link : CVE-2026-20490

Mitre link : CVE-2026-20490

CVE.ORG link : CVE-2026-20490

JSON object : View

Products Affected

mediatek

mt6986d
mt6813_firmware
mt6986
mt6986_firmware
mt6813
mt6982vb
mt6986d_firmware
mt6988
mt6988_firmware
mt6982vb_firmware

CWE

CWE-125

Out-of-bounds Read

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