CVE-2026-20462 — MEDIUM (6.7)

Vulnerability Description

In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-122

References

https://corp.mediatek.com/product-security-bulletin/July-2026

FAQ

What is CVE-2026-20462?

CVE-2026-20462 is a vulnerability with a CVSS score of 6.7 (MEDIUM). In Telephony, there is a possible memory corruption due to a heap buffer overflow. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User...

How severe is CVE-2026-20462?

CVE-2026-20462 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20462?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.