---
id: CVE-2026-55981
title: Firmware verification vulnerability
summary: |-
  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.
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cvssSource: cna
vendor: Creative Labs
product: 'Creative Sound Blaster Katana V2, V2X, SE'
affected:
  - creative_sound_blaster_katana_v2_v2x_se 1.30.260813.1100
published: '2026-10-23'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T06:47:05.745Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-55981'
references:
  - url: 'https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-134/'
tags:
  - cve.org
ingestedAt: '2026-10-23T07:18:46.744Z'
---

## Overview

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.

## Affected

- `creative_sound_blaster_katana_v2_v2x_se 1.30.260813.1100`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.