CVE-2026-20451

Published: May 4, 2026Modified: Jun 17, 2026

6.7

Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitability: 0.8 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

In slbc, there is a possible out of bounds write due to type confusion. 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: ALPS10828685; Issue ID: MSV-6504.

Affected (32)

Products: Mediatek: Mt8115 Firmware, Mt8186 Firmware, Mt8188 Firmware, Mt8196 Firmware, Mt8365 Firmware, Mt8367 Firmware, Mt8370 Firmware, Mt8371 Firmware, Mt8390 Firmware, Mt8391 Firmware, Mt8395 Firmware, Mt8676 Firmware, Mt8678 Firmware, Mt8766 Firmware, Mt8768 Firmware, Mt8775 Firmware, Mt8781 Firmware, Mt8786 Firmware, Mt8788e Firmware, Mt8791t Firmware, Mt8792 Firmware, Mt8793 Firmware, Mt8796 Firmware, Mt8873 Firmware, Mt8883 Firmware, Mt8893 Firmware, Mt8910 Firmware, Mt2718 Firmware, Mt6899 Firmware, Mt6985 Firmware, Mt6989 Firmware, Mt6991 Firmware

32 products

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8115 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8115	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8186 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8186	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8188 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8188	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8196 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8196	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8365 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8365	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8367 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8367	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8370 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8370	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8371 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8371	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8390 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8390	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8391 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8391	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8395 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8395	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8676 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8676	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8678 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8678	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8766 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8766	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8768 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8768	All versions

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8775 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8775	All versions

Configuration Q

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8781 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8781	All versions

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8786 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8786	All versions

Configuration S

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8788e Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8788e	All versions

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8791t Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8791t	All versions

Configuration U

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8792 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8792	All versions

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8793 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8793	All versions

Configuration W

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8796 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8796	All versions

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8873 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8873	All versions

Configuration Y

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8883 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8883	All versions

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8893 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8893	All versions

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt8910 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt8910	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt2718 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt2718	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt6899 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt6899	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt6985 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt6985	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt6989 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt6989	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Mediatek Mt6991 Firmware	All versions

Running on/with	Platform Versions
Mediatek Mt6991	All versions

Related CWEs

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References (1)

https://corp.mediatek.com/product-security-bulletin/May-2026

Source: security@mediatek.com

Vendor Advisory

Timeline

No history available yet.