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CVE-2026-63243

Firmware verification vulnerability

Medium4.3EPSS 0.21%
Published
Updated
Reserved
Assigned by
CSA

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.

Scores

CVSS scores of CVE-2026-63243, by who scored it
Scored byCVSSScoreVector
CSACNA (assigner)3.1Medium4.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVDNVD · Awaiting Analysis3.1Medium4.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS (exploitation in 30 days)
0.21% · top 89% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .