Firmware verification vulnerability

published 2026-10-23 19d ago modified 2026-11-02 9d ago also EUVD-2026-108607

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 9d ago (2026-11-02)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

Creative Labs Creative Sound Blaster Katana V2, V2X, SE

Classification

Weakness

CWE-287 Improper Authentication

References

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

Sources

CVE List CVE-2026-63243
NVD CVE-2026-63243

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