Vulnerability in Mediatek, Inc. Mediatek Chipset

CVE-2026-20463

In Modem, there is a possible escalation of privilege due to a permissions bypass. 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: MOLY01716533; Issue ID: MSV-6309.

EPSS: 0.001 (1.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20463?
CVE-2026-20463 is a medium-severity vulnerability in Mediatek, Inc. Mediatek Chipset, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 6.7/10. Published 2026-07-01.
How severe is CVE-2026-20463?
Medium severity. CVSS v3 base score is 6.7 out of 10.