#VU123461 Use After Free in MediaTek products - CVE-2026-20443
Published: March 3, 2026
Vulnerability identifier: #VU123461
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-2026-20443
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT6739
MT6761
MT6765
MT6768
MT6789
MT6833
MT6835
MT6855
MT6878
MT6879
MT6886
MT6895
MT6897
MT6899
MT6983
MT6985
MT6989
MT6991
MT6993
MT8186
MT8188
MT8196
MT8667
MT8673
MT8676
MT8678
MT8765
MT8766
MT8768
MT8771
MT8781
MT8791T
MT8792
MT8793
MT8795T
MT8796
MT8798
MT8873
MT8883
MT6781
MT6853
MT6877
MT6883
MT6885
MT6889
MT6893
MT6739
MT6761
MT6765
MT6768
MT6789
MT6833
MT6835
MT6855
MT6878
MT6879
MT6886
MT6895
MT6897
MT6899
MT6983
MT6985
MT6989
MT6991
MT6993
MT8186
MT8188
MT8196
MT8667
MT8673
MT8676
MT8678
MT8765
MT8766
MT8768
MT8771
MT8781
MT8791T
MT8792
MT8793
MT8795T
MT8796
MT8798
MT8873
MT8883
MT6781
MT6853
MT6877
MT6883
MT6885
MT6889
MT6893
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a local application to perform service disruption.
The vulnerability exists due to use after free . A local application can perform service disruption.
Remediation
Install security update from vendor's website.