CVE-2026-89898

High CVSS 8.8

Published 2026-09-16 · last changed 2026-09-16

The fix

We hold no Microsoft remediation data for CVE-2026-89898, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

In the Linux kernel, the following vulnerability has been resolved: media: cec: extron-da-hd-4k-plus: add sanity check Add check to prevent overflowing msg.msg[] in case the incoming data is malformed.

Sources

NVD record for CVE-2026-89898

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