What’s Vulnerable › Vulnerabilities

CVE-2026-20542

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-05 · updated 2026-10-09
• Weakness: CWE-416

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.

Affected products

• Mediatek Mt2718 Firmware: all versions
• Mediatek Mt6878 Firmware: all versions
• Mediatek Mt6897 Firmware: all versions
• Mediatek Mt6899 Firmware: all versions
• Mediatek Mt6989 Firmware: all versions
• Mediatek Mt6991 Firmware: all versions
• Mediatek Mt8171 Firmware: all versions
• Mediatek Mt8188 Firmware: all versions
• Mediatek Mt8189 Firmware: all versions
• Mediatek Mt8196 Firmware: all versions
• Mediatek Mt8370 Firmware: all versions
• Mediatek Mt8371 Firmware: all versions
• Mediatek Mt8390 Firmware: all versions
• Mediatek Mt8391 Firmware: all versions
• Mediatek Mt8395 Firmware: all versions
• Mediatek Mt8678 Firmware: all versions
• Mediatek Mt8792 Firmware: all versions
• Mediatek Mt8793 Firmware: all versions
• Mediatek Mt8796 Firmware: all versions

References

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

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