CVE-2026-20542

Published Oct 5, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
In apusys, 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: ALPS11076799; Issue ID: MSV-8143.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mediatek mt2718
Mediatek mt2718 Firmware
Mediatek mt6878
Mediatek mt6878 Firmware
Mediatek mt6897
Mediatek mt6897 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt8171
Mediatek mt8171 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8196
Mediatek mt8196 Firmware
Mediatek mt8370
Mediatek mt8370 Firmware
Mediatek mt8371
Mediatek mt8371 Firmware
Mediatek mt8390
Mediatek mt8390 Firmware
Mediatek mt8391
Mediatek mt8391 Firmware
Mediatek mt8395
Mediatek mt8395 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8792
Mediatek mt8792 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Mediatek mt8796
Mediatek mt8796 Firmware
CPEs cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8371:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8371_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8395_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek mt2718
Mediatek mt2718 Firmware
Mediatek mt6878
Mediatek mt6878 Firmware
Mediatek mt6897
Mediatek mt6897 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt8171
Mediatek mt8171 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8196
Mediatek mt8196 Firmware
Mediatek mt8370
Mediatek mt8370 Firmware
Mediatek mt8371
Mediatek mt8371 Firmware
Mediatek mt8390
Mediatek mt8390 Firmware
Mediatek mt8391
Mediatek mt8391 Firmware
Mediatek mt8395
Mediatek mt8395 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8792
Mediatek mt8792 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Mediatek mt8796
Mediatek mt8796 Firmware
Type Values Removed Values Added
Title Use‑After‑Free in MediaTek chipset enabling local privilege escalation
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mediatek Chipset
Vendors & Products Mediatek
Mediatek mediatek Chipset
Type Values Removed Values Added
Title Use‑After‑Free in MediaTek chipset enabling local privilege escalation
Type Values Removed Values Added
Description In apusys, 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: ALPS11076799; Issue ID: MSV-8143.
Weaknesses CWE-416
References