CVE-2026-20588: Medium severity MediaTek mtee vulnerability
Published Oct 5, 2026
·Updated
In mtee, there is a possible escalation of privilege 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: ALPS11383899; Issue ID: MSV-9607.
Affected Software
51 affected components
MediaTek mtee
All of the following
MediaTek Mt2718 Firmware
MediaTek Mt2718
All of the following
MediaTek Mt6768 Firmware
MediaTek Mt6768
All of the following
MediaTek Mt6769 Firmware
MediaTek Mt6769
All of the following
MediaTek Mt6789 Firmware
MediaTek Mt6789
All of the following
MediaTek Mt6833 Firmware
MediaTek Mt6833
All of the following
MediaTek Mt6855 Firmware
MediaTek Mt6855
All of the following
MediaTek Mt6877 Firmware
MediaTek Mt6877
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 Mt8195 Firmware
MediaTek Mt8195
All of the following
MediaTek Mt8196 Firmware
MediaTek Mt8196
All of the following
MediaTek Mt8367 Firmware
MediaTek Mt8367
All of the following
MediaTek Mt8391 Firmware
MediaTek Mt8391
All of the following
MediaTek Mt8395 Firmware
MediaTek Mt8395
All of the following
MediaTek Mt8668 Firmware
MediaTek Mt8668
All of the following
MediaTek Mt8676 Firmware
MediaTek Mt8676
All of the following
MediaTek Mt8678 Firmware
MediaTek Mt8678
All of the following
MediaTek Mt8696 Firmware
MediaTek Mt8696
All of the following
MediaTek Mt8781 Firmware
MediaTek Mt8781
All of the following
MediaTek Mt8788e Firmware
MediaTek Mt8788e
All of the following
MediaTek Mt8792 Firmware
MediaTek Mt8792
All of the following
MediaTek Mt8793 Firmware
MediaTek Mt8793
All of the following
MediaTek Mt8799 Firmware
MediaTek Mt8799
All of the following
MediaTek Mt8910 Firmware
MediaTek Mt8910
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
mteeto a version that resolves this vulnerability.Patch ALPS11383899
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
Is there vendor guidance available for this issue?
MediaTek lists this issue in its October 2026 Product Security Bulletin.