CVE-2026-20529: Medium severity MediaTek Battery vulnerability
Published Oct 5, 2026
·Updated
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 Software
57 affected components
MediaTek Battery
All of the following
MediaTek Mt6761 Firmware
MediaTek Mt6761
All of the following
MediaTek Mt6765 Firmware
MediaTek Mt6765
All of the following
MediaTek Mt6768 Firmware
MediaTek Mt6768
All of the following
MediaTek Mt6781 Firmware
MediaTek Mt6781
All of the following
MediaTek Mt6853 Firmware
MediaTek Mt6853
All of the following
MediaTek Mt6858 Firmware
MediaTek Mt6858
All of the following
MediaTek Mt6881 Firmware
MediaTek Mt6881
All of the following
MediaTek Mt6893 Firmware
MediaTek Mt6893
All of the following
MediaTek Mt6989 Firmware
MediaTek Mt6989
All of the following
MediaTek Mt6991 Firmware
MediaTek Mt6991
All of the following
MediaTek Mt6993 Firmware
MediaTek Mt6993
All of the following
MediaTek Mt8171 Firmware
MediaTek Mt8171
All of the following
MediaTek Mt8186 Firmware
MediaTek Mt8186
All of the following
MediaTek Mt8188 Firmware
MediaTek Mt8188
All of the following
MediaTek Mt8189 Firmware
MediaTek Mt8189
All of the following
MediaTek Mt8196 Firmware
MediaTek Mt8196
All of the following
MediaTek Mt8766 Firmware
MediaTek Mt8766
All of the following
MediaTek Mt8768 Firmware
MediaTek Mt8768
All of the following
MediaTek Mt8775 Firmware
MediaTek Mt8775
All of the following
MediaTek Mt8781 Firmware
MediaTek Mt8781
All of the following
MediaTek Mt8788e Firmware
MediaTek Mt8788e
All of the following
MediaTek Mt8791t Firmware
MediaTek Mt8791t
All of the following
MediaTek Mt8792 Firmware
MediaTek Mt8792
All of the following
MediaTek Mt8796 Firmware
MediaTek Mt8796
All of the following
MediaTek Mt8799 Firmware
MediaTek Mt8799
All of the following
MediaTek Mt8883 Firmware
MediaTek Mt8883
All of the following
MediaTek Mt8893 Firmware
MediaTek Mt8893
All of the following
MediaTek Mt8910 Firmware
MediaTek Mt8910
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch ALPS11276677
Event History
Oct 5, 2026
CVE Published
via MITRE·01:40 AM
Data Sourced
via MITRE·01:40 AM
DescriptionWeakness
Data Sourced
via NVD·02:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Does the advisory identify affected software versions or device models?
No affected versions, device models, or build identifiers are provided in the available information.
2
Is there information on whether default configurations are affected?
No configuration requirements or default-exposure details are provided.
3
Are indicators of compromise or detection guidance available?
No detection guidance, logs, artifacts, or indicators of compromise are included.