CVE-2026-20493 — MEDIUM (4.4)

Vulnerability Description

In wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: BORA00154903; Issue ID: MSV-7575.

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-787

References

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

FAQ

What is CVE-2026-20493?

CVE-2026-20493 is a vulnerability with a CVSS score of 4.4 (MEDIUM). In wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interact...

How severe is CVE-2026-20493?

CVE-2026-20493 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20493?

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