CVE-2026-20493: mt6890 firmware Version not applicable in the source CPE; +3 more affected products

CVE-2026-20493. CVSS 3.1 base score 4.4 (MEDIUM, Source advisory). EPSS 0.00143 (percentile 0.03281), scored 22-Oct-2026.

Affected technology

mt6890 firmware · Version not applicable in the source CPE
mediatek

mt6988 firmware · Version not applicable in the source CPE
mediatek

mt6990 firmware · Version not applicable in the source CPE
mediatek

MediaTek chipset · MT6890, MT6988, MT6990
MediaTek, Inc.

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Local · High privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. Source advisory’s CVSS 3.1 assessment (base score 4.4/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-787
CCR priority: 17.6 /100 (P5)
CVSS 3.1: 4.4 /10 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H · Source advisory
EPSS: 0.00143 · percentile 0.03281 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-20493.html