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CVE-2026-20524

Mediatek Mt6899 Firmware vulnerability

8.4 HIGHEPSS 0.13%
  1. Published5 Oct 2026

Description

In apu, there is a possible memory corruption due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249004; Issue ID: MSV-9170.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Mediatek Mt6899 Firmwareall versions
Mediatek Mt6993 Firmwareall versions
Mediatek Mt8668 Firmwareall versions
Mediatek Mt8781 Firmwareall versions
Mediatek Mt8793 Firmwareall versions
Mediatek Mt8910 Firmwareall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-20524 being actively exploited?

CVE-2026-20524 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.13%.

How severe is CVE-2026-20524?

CVE-2026-20524 has a CVSS 3.1 base score of 8.4, rated high. EPSS estimates a 0.13% probability of exploitation.

Which products are affected by CVE-2026-20524?

Affected products include Mediatek Mt6899 Firmware, Mediatek Mt6993 Firmware, Mediatek Mt8668 Firmware, Mediatek Mt8781 Firmware, Mediatek Mt8793 Firmware, and 1 more.

How do I fix CVE-2026-20524?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-20524 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.