CVE-2026-20483

Published Aug 3, 2026

Last updated 17 hours ago

Overview

Description
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.
Source
security@mediatek.com
NVD status
Analyzed
Products
mt8893_firmware, mt6739_firmware, mt6761_firmware, mt6765_firmware, mt6768_firmware, mt6781_firmware, mt6789_firmware, mt6833_firmware, mt6835_firmware, mt6853_firmware, mt6855_firmware, mt6877_firmware, mt6878_firmware, mt6879_firmware, mt6883_firmware, mt6885_firmware, mt6886_firmware, mt6889_firmware, mt6893_firmware, mt6895_firmware, mt6897_firmware, mt6983_firmware, mt6985_firmware, mt6989_firmware, mt6991_firmware, mt6993_firmware, mt8766_firmware, mt8766r_firmware, mt8768_firmware, mt8775_firmware, mt8781_firmware, mt8792_firmware, mt8796_firmware, mt8873_firmware, mt8883_firmware

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.7
Impact score
5.2
Exploitability score
2.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity
HIGH

Weaknesses

security@mediatek.com
CWE-862

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.