CVE-2026-55981
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.6
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.
- Record
CVE-2026-55981- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-494
- Updated
- 2026-11-02
EUVDEUVD-2026-108606
9.6
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.
- Record
EUVD-2026-108606- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x53g-945m-mppw
9.6
A firmware verification vulnerability in Creative Sound Blaster Katana could allow an attacker to...
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.
- Record
GHSA-x53g-945m-mppw- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-494
- Updated
- 2026-11-02
NVD
9.6
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.
- Record
CVE-2026-55981- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-494
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-55981 is a critical vulnerability (CVSS 9.6) in Creative Labs Sound Blaster Katana V2, V2x, Se, published October 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.