CVE-2026-20483: MediaTek MT6739 Firmware

High severity, CVSS 7.7. EPSS: 0.2% chance of exploitation in the next 30 days.

In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.

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 MT6833 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 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 MT6993 Firmware: affected versions not specified
• and 10 more

Published 2026-08-03. Last modified 2026-08-19.