CVE-2026-20473: Use After Free
Published Aug 3, 2026
·Updated
In display, 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: ALPS11019722; Issue ID: MSV-7759.
Affected Software
34 affected components
All of the following
MediaTek Mt6991 Firmware
MediaTek Mt6991
All of the following
MediaTek Mt8910 Firmware
MediaTek Mt8910
All of the following
MediaTek Mt6993 Firmware
MediaTek Mt6993
All of the following
MediaTek Mt8126 Firmware
MediaTek Mt8126
All of the following
MediaTek Mt8171 Firmware
MediaTek Mt8171
All of the following
MediaTek Mt8188 Firmware
MediaTek Mt8188
All of the following
MediaTek Mt8189 Firmware
MediaTek Mt8189
All of the following
MediaTek Mt8367 Firmware
MediaTek Mt8367
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 Mt8766 Firmware
MediaTek Mt8766
All of the following
MediaTek Mt8768 Firmware
MediaTek Mt8768
All of the following
MediaTek Mt8781 Firmware
MediaTek Mt8781
All of the following
MediaTek Mt8786 Firmware
MediaTek Mt8786
All of the following
MediaTek Mt8791t Firmware
MediaTek Mt8791t
All of the following
MediaTek Mt8799 Firmware
MediaTek Mt8799
Event History
Aug 3, 2026
CVE Published
via MITRE·02:05 AM
Data Sourced
via MITRE·02:05 AM
DescriptionWeakness
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-20473?
CVE-2026-20473 has a medium severity rating of 6 according to CVSS 3.1.
2
How do I fix CVE-2026-20473?
To fix CVE-2026-20473, apply Patch ID ALPS11019722 to your system.
3
What type of vulnerability is CVE-2026-20473?
CVE-2026-20473 is classified as a Use After Free vulnerability.
4
What impact does CVE-2026-20473 have on my system?
CVE-2026-20473 could lead to local escalation of privilege if an attacker has already obtained System privilege.
5
Is user interaction required for exploiting CVE-2026-20473?
No, user interaction is not needed for the exploitation of CVE-2026-20473.