{"id":"CVE-2026-55981","published":"2026-10-23T07:16:38.420","lastModified":"2026-10-23T19:42:24.553","description":"A firmware verification vulnerability in Creative Sound\nBlaster Katana could allow an attacker to modify a legitimate firmware image\nand upload the modified firmware to an affected device.","cvssScore":9.6,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-134/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A firmware verification flaw in Creative Sound Blaster Katana allows attackers to flash tampered firmware images, bypassing integrity checks and potentially taking full control of the device.","exploitability":"Exploitation requires physical or adjacent access to the device and knowledge of the vulnerable firmware update mechanism; no public exploit exists yet.","blast_radius":"Successful exploitation could lead to persistent compromise, data exfiltration, denial of service, or use as a pivot point within a local network.","remediation":"Apply Creative's official firmware update v2.590 or later, which addresses the firmware verification vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["firmware-tampering","verification-bypass","adjacent-access"],"model":"garnet-coder","analyzedAt":"2026-10-25T08:47:19.886Z"}}