CVE-2026-20542

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.
References
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:mediatek:mt8370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:mediatek:mt8371_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8371:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:mediatek:mt8395_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND
cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND
cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND
cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*

History

09 Oct 2026, 17:37

Type Values Removed Values Added
CPE cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8371:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8371_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8395_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8370_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
References () https://www.mediatek.com/product-security-bulletin/October-2026 - () https://www.mediatek.com/product-security-bulletin/October-2026 - Vendor Advisory
First Time Mediatek mt8171
Mediatek mt8171 Firmware
Mediatek mt2718 Firmware
Mediatek mt8196
Mediatek mt8196 Firmware
Mediatek mt8395 Firmware
Mediatek mt8391
Mediatek mt6989
Mediatek mt8793
Mediatek mt6989 Firmware
Mediatek mt8370 Firmware
Mediatek mt2718
Mediatek mt8188 Firmware
Mediatek mt8796
Mediatek mt6991
Mediatek mt6899
Mediatek mt8390 Firmware
Mediatek mt8391 Firmware
Mediatek mt6991 Firmware
Mediatek mt8395
Mediatek mt8189 Firmware
Mediatek mt6878 Firmware
Mediatek mt6899 Firmware
Mediatek mt6897 Firmware
Mediatek mt8678 Firmware
Mediatek mt8189
Mediatek mt8793 Firmware
Mediatek mt8370
Mediatek mt8796 Firmware
Mediatek
Mediatek mt8792 Firmware
Mediatek mt6878
Mediatek mt8792
Mediatek mt8371 Firmware
Mediatek mt8390
Mediatek mt8188
Mediatek mt8678
Mediatek mt6897
Mediatek mt8371

05 Oct 2026, 11:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 6.7

05 Oct 2026, 02:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-05 02:16

Updated : 2026-10-09 17:37


NVD link : CVE-2026-20542

Mitre link : CVE-2026-20542

CVE.ORG link : CVE-2026-20542


JSON object : View

Products Affected

mediatek

  • mt8188_firmware
  • mt8390
  • mt8188
  • mt8792
  • mt6897
  • mt6989_firmware
  • mt8196_firmware
  • mt6878
  • mt8370
  • mt6899_firmware
  • mt6878_firmware
  • mt8371_firmware
  • mt6899
  • mt8678_firmware
  • mt8371
  • mt8391
  • mt8395
  • mt6989
  • mt8171_firmware
  • mt6897_firmware
  • mt8196
  • mt8678
  • mt8189_firmware
  • mt8189
  • mt8793_firmware
  • mt8796
  • mt8395_firmware
  • mt2718
  • mt6991
  • mt8792_firmware
  • mt6991_firmware
  • mt8390_firmware
  • mt8391_firmware
  • mt8370_firmware
  • mt8793
  • mt8171
  • mt8796_firmware
  • mt2718_firmware
CWE
CWE-416

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