CVE-2026-20483 — HIGH (7.7)

Vulnerability Description

In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.

CVSS Score

7.7

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-862

References

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

FAQ

What is CVE-2026-20483?

CVE-2026-20483 is a vulnerability with a CVSS score of 7.7 (HIGH). In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User inter...

How severe is CVE-2026-20483?

CVE-2026-20483 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20483?

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