What’s Vulnerable › Vulnerabilities

CVE-2026-20489

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-03 · updated 2026-10-23
• Weakness: CWE-125

Description

In display, there is a possible information disclosure due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11004274; Issue ID: MSV-7749.

Affected products

• Mediatek Mt6991 Firmware: all versions
• Mediatek Mt6993 Firmware: all versions
• Mediatek Mt8126 Firmware: all versions
• Mediatek Mt8171 Firmware: all versions
• Mediatek Mt8188 Firmware: all versions
• Mediatek Mt8189 Firmware: all versions
• Mediatek Mt8367 Firmware: all versions
• Mediatek Mt8668 Firmware: all versions
• Mediatek Mt8676 Firmware: all versions
• Mediatek Mt8678 Firmware: all versions
• Mediatek Mt8766 Firmware: all versions
• Mediatek Mt8768 Firmware: all versions
• Mediatek Mt8781 Firmware: all versions
• Mediatek Mt8786 Firmware: all versions
• Mediatek Mt8791T Firmware: all versions
• Mediatek Mt8799 Firmware: all versions
• Mediatek Mt8910 Firmware: all versions

References

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

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