CVE-2026-20529

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-05 · updated 2026-10-09
Weakness: CWE-787

Description

In battery, 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: ALPS11276677; Issue ID: MSV-9217.

Affected products

Mediatek Mt6761 Firmware: all versions
Mediatek Mt6765 Firmware: all versions
Mediatek Mt6768 Firmware: all versions
Mediatek Mt6781 Firmware: all versions
Mediatek Mt6853 Firmware: all versions
Mediatek Mt6858 Firmware: all versions
Mediatek Mt6881 Firmware: all versions
Mediatek Mt6893 Firmware: all versions
Mediatek Mt6989 Firmware: all versions
Mediatek Mt6991 Firmware: all versions
Mediatek Mt6993 Firmware: all versions
Mediatek Mt8171 Firmware: all versions
Mediatek Mt8186 Firmware: all versions
Mediatek Mt8188 Firmware: all versions
Mediatek Mt8189 Firmware: all versions
Mediatek Mt8196 Firmware: all versions
Mediatek Mt8766 Firmware: all versions
Mediatek Mt8768 Firmware: all versions
Mediatek Mt8775 Firmware: all versions
Mediatek Mt8781 Firmware: all versions
Mediatek Mt8788E Firmware: all versions
Mediatek Mt8791T Firmware: all versions
Mediatek Mt8792 Firmware: all versions
Mediatek Mt8796 Firmware: all versions
Mediatek Mt8799 Firmware: all versions
Mediatek Mt8883 Firmware: all versions
Mediatek Mt8893 Firmware: all versions
Mediatek Mt8910 Firmware: all versions

References

https://www.mediatek.com/product-security-bulletin/October-2026

Get alerted when CVE-2026-20529 or the next vulnerability affects your stack