What is CVE-2026-55981?

CVE-2026-55981 is a critical-severity vulnerability. CVSS score: 9.6/10. Published 2026-10-23.

How severe is CVE-2026-55981?

Critical severity. CVSS v3 base score is 9.6 out of 10.

CVE-2026-55981

CVE-2026-55981

A firmware verification vulnerability in Creative Sound Blaster Katana could allow an attacker to modify a legitimate firmware image and upload the modified firmware to an affected device.

Published 2026-10-23 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

References

5f57b9bf-260d-4433-bf07-b6a79e9bb7d4

Frequently asked questions

What is CVE-2026-55981?: CVE-2026-55981 is a critical-severity vulnerability. CVSS score: 9.6/10. Published 2026-10-23.
How severe is CVE-2026-55981?: Critical severity. CVSS v3 base score is 9.6 out of 10.