CVE-2026-20542

mediumpriority · track · 0EPSS 0.001 · 1 %ileUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.11% (1st) EPSS

CVSS 6.7 · medium

Is it mine?

19 products

Check your exposure

Who says so?

1 sources

nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 0.8 · impact 5.9

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416US

affected products (19)

Products and version ranges known to be affected.

mediatek mt2718 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt2718_firmware:*:*:*:*:*:*:*:*
mediatek mt6878 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6878_firmware:*:*:*:*:*:*:*:*
mediatek mt6897 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6897_firmware:*:*:*:*:*:*:*:*
mediatek mt6899 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6899_firmware:*:*:*:*:*:*:*:*
mediatek mt6989 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6989_firmware:*:*:*:*:*:*:*:*
mediatek mt6991 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt6991_firmware:*:*:*:*:*:*:*:*
mediatek mt8171 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8171_firmware:*:*:*:*:*:*:*:*
mediatek mt8188 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8188_firmware:*:*:*:*:*:*:*:*
mediatek mt8189 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8189_firmware:*:*:*:*:*:*:*:*
mediatek mt8196 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8196_firmware:*:*:*:*:*:*:*:*
mediatek mt8370 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8370_firmware:*:*:*:*:*:*:*:*
mediatek mt8371 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8371_firmware:*:*:*:*:*:*:*:*
mediatek mt8390 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8390_firmware:*:*:*:*:*:*:*:*
mediatek mt8391 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8391_firmware:*:*:*:*:*:*:*:*
mediatek mt8395 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8395_firmware:*:*:*:*:*:*:*:*
mediatek mt8678 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8678_firmware:*:*:*:*:*:*:*:*
mediatek mt8792 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8792_firmware:*:*:*:*:*:*:*:*
mediatek mt8793 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8793_firmware:*:*:*:*:*:*:*:*
mediatek mt8796 firmwareall versionsnvdUScpe:2.3:o:mediatek:mt8796_firmware:*:*:*:*:*:*:*:*

sources

Which sources assert this record, and when.

nvd NVD CVE.org MITRE

published 2026-10-05modified 2026-10-09

references (1) nvd

External citations — patches, advisories, analysis.

https://www.mediatek.com/product-security-bulletin/October-2026Vendor Advisory

scry

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