CVE-2026-20537: Use After Free
Published Oct 5, 2026
·Updated
In aidl, there is a possible memory corruption due to use after free. 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: ALPS11185225; Issue ID: MSV-9024.
Affected Software
23 affected components
Google aidl
All of the following
MediaTek Mt6878 Firmware
MediaTek Mt6878
All of the following
MediaTek Mt6881 Firmware
MediaTek Mt6881
All of the following
MediaTek Mt6899 Firmware
MediaTek Mt6899
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 Mt8188 Firmware
MediaTek Mt8188
All of the following
MediaTek Mt8189 Firmware
MediaTek Mt8189
All of the following
MediaTek Mt8668 Firmware
MediaTek Mt8668
All of the following
MediaTek Mt8781 Firmware
MediaTek Mt8781
All of the following
MediaTek Mt8910 Firmware
MediaTek Mt8910
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
aidlto a version that resolves this vulnerability.Patch ALPS11185225
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
What level of access does an attacker need before exploitation is possible?
The malicious actor must already have System privilege. The issue can then lead to local escalation of privilege.
2
Is user interaction needed for exploitation?
No. Exploitation does not require user interaction.
3
What identifiers can be used to track the vendor fix?
The listed patch identifier is ALPS11185225, and the associated issue identifier is MSV-9024.