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9.6

Creative Sound Blaster Katana can be loaded with tampered firmware

CVE-2026-55981 · published 19 days ago
Summary

The Katana speaker system does not properly verify its firmware before installing it, so an attacker could replace the original code with a modified version. This could let the attacker change how the device works or cause it to fail. Apply the latest firmware update from Creative and limit firmware installation to trusted personnel only.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
creative labs creative sound blaster katana v2, v2x, se 1.30.260813.1100
Original advisory text
Firmware verification vulnerability
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
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.6 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-494Download of Code Without Integrity Check
Timeline
Published23 Oct 2026
Updated3 Nov 2026
First seen23 Oct 2026
Sources
CVE-2026-55981 · NVD
CVE-2026-55981 · MITRE
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