#VU122198 Out-of-bounds write in MediaTek products - CVE-2026-20412

Vulnerability identifier: #VU122198

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2026-20412

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
MT6878
MT6879
MT6881
MT6886
MT6895
MT6897
MT6899
MT6983
MT6985
MT6989
MT6991
MT6993
MT8168
MT8188
MT8195
MT8365
MT8390
MT8395
MT8666
MT8667
MT8673
MT8676
MT8696
MT8793

Software vendor:
MediaTek

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a missing bounds check in cameraisp subcomponent. A local application can perform service disruption.

Install security update from vendor's website.

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