CVE-2026-20455: MediaTek MT6739 Firmware

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

In geniezone, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10873936; Issue ID: MSV-6784.

Affected products

• MediaTek MT6739 Firmware: affected versions not specified
• MediaTek MT6761 Firmware: affected versions not specified
• MediaTek MT6765 Firmware: affected versions not specified
• MediaTek MT6768 Firmware: affected versions not specified
• MediaTek MT6781 Firmware: affected versions not specified
• MediaTek MT6789 Firmware: affected versions not specified
• MediaTek MT6835 Firmware: affected versions not specified
• MediaTek MT6853 Firmware: affected versions not specified
• MediaTek MT6855 Firmware: affected versions not specified
• MediaTek MT6877 Firmware: affected versions not specified
• MediaTek MT6878 Firmware: affected versions not specified
• MediaTek MT6879 Firmware: affected versions not specified
• MediaTek MT6883 Firmware: affected versions not specified
• MediaTek MT6885 Firmware: affected versions not specified
• MediaTek MT6886 Firmware: affected versions not specified
• MediaTek MT6889 Firmware: affected versions not specified
• MediaTek MT6893 Firmware: affected versions not specified
• MediaTek MT6895 Firmware: affected versions not specified
• MediaTek MT6897 Firmware: affected versions not specified
• MediaTek MT6899 Firmware: affected versions not specified
• MediaTek MT6983 Firmware: affected versions not specified
• MediaTek MT6985 Firmware: affected versions not specified
• MediaTek MT6989 Firmware: affected versions not specified
• MediaTek MT6991 Firmware: affected versions not specified
• MediaTek MT8673 Firmware: affected versions not specified
• and 11 more

Published 2026-06-01. Last modified 2026-07-22.