What’s Vulnerable › Vulnerabilities

CVE-2026-20528

• 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-787

Description

In ccci, there is a possible out of bounds write and read due to a missing bounds check. This could lead to local information disclosure, memory corruption, crashes, or privilege escalation if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS11428950 (Note: For MT6880, MT6890) / ALPS10563453 (Note: For MT6980D, MT6990, MT6986, MT6986D, MT6813, MT6988) / AUTO00858766 (Note: For MT2735, MT2737); Issue ID: MSV-9893.

Affected products

• Mediatek Mt2735 Firmware: all versions
• Mediatek Mt2737 Firmware: all versions
• Mediatek Mt6813 Firmware: all versions
• Mediatek Mt6880 Firmware: all versions
• Mediatek Mt6890 Firmware: all versions
• Mediatek Mt6980D Firmware: all versions
• Mediatek Mt6986 Firmware: all versions
• Mediatek Mt6986D Firmware: all versions
• Mediatek Mt6988 Firmware: all versions
• Mediatek Mt6990 Firmware: all versions

References

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

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