CVE-2026-20474 in MT6991

Summary

by MITRE • 08/03/2026

In display, there is a possible escalation of privilege due to a race condition. 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: ALPS11019183; Issue ID: MSV-7758.

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• Responsible: MediaTek
• Reservation: 11/03/2025
• Disclosure: 08/03/2026
• Moderation: accepted
• Entry: VDB-385453
• CPE: ready
• CWE: CWE-362 (confirmed)
• CVSS: 8.2 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Agriculture, Industry, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-20474
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-20474
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-20474/