CVE-2026-55981 Creative Sound Blaster Katana - Firmware Verification Bypass

Creative Sound Blaster Katana contains a firmware verification vulnerability caused by insufficient validation of firmware images, letting attackers modify and upload malicious firmware, exploit requires physical or privileged access to the device.

CVSS base score 9.6 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Firmware Verification Bypass
Impact
Remote Code Execution, Privilege Escalation, Data Tampering
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
23 October 2026
Updated
25 October 2026

Vendor fix

Update to the latest firmware version provided by the vendor.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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