Medium severity · published Oct 23, 2026
CVE-2026-63243
Firmware verification vulnerability
New
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
An authentication vulnerability in the Bluetooth Low Energy (BLE) implementation of Creative Sound Blaster Katana could allow an attacker within Bluetooth range to connect to an affected device without prior pairing or authentication.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
Affected product
CS
Creative Sound Blaster Katana V2, V2X, SE
Creative Labs
More from Creative Sound Blaster Katana V2, V2X, SE
9.6
CVE-2026-55981
Firmware verification vulnerability