CVE-2026-20493CWE-787

CVE-2026-20493

Medium · published August 3, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
3.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00143 · 3.3th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-08-03T07:16Z
Affected products (3)
ProductVersionsFixed in
mediatek/mt6890_firmwareall versions—
mediatek/mt6988_firmwareall versions—
mediatek/mt6990_firmwareall versions—
References (1)
https://www.mediatek.com/product-security-bulletin/August-2026 · [email protected]
EPSS history
Timeline
  • 03 AUG 02:06Z
    In wifi, there is a possible out of bounds write due to a missing bounds check
    cvelistv5