CVE-2026-55981

critical

Description

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.

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-134/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108606

Details

Source: Mitre, NVD

Published: 2026-10-23

Updated: 2026-10-23

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.6

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

Severity: Critical

EPSS

EPSS: 0.00304