{"id":"CVE-2026-8049","aliases":["EUVD-2026-37803","GHSA-c9xw-w9jw-mq5m"],"status":"published","title":"CVE-2026-8049","description":"In SignalRGB versions prior to 1.3.7.0, the \\\\.\\SignalIo device object is created without an explicit SDDL security descriptor and without FILE_DEVICE_SECURE_OPEN. This results in overly permissive default access control, allowing any authenticated local user to obtain a handle to the device and issue privileged IOCTLs.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00111,"percentile":0.0136,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-06-17T21:05:25Z","modified":"2026-10-26T11:10:00Z","products":[{"vendor":"signalrgb","product":"signalrgb kernel driver"}],"references":[{"url":"https://kb.cert.org/vuls/id/380058"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8049"},{"url":"https://github.com/advisories/GHSA-c9xw-w9jw-mq5m"}],"sources":{"cve":[{"id":"CVE-2026-8049","title":"CVE-2026-8049","description":"In SignalRGB versions prior to 1.3.7.0, the \\\\.\\SignalIo device object is created without an explicit SDDL security descriptor and without FILE_DEVICE_SECURE_OPEN. This results in overly permissive default access control, allowing any authenticated local user to obtain a handle to the device and issue privileged IOCTLs.","status":"published","published":"2026-06-17T21:05:25.402Z","modified":"2026-06-18T13:12:38.935Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-37803","description":"In SignalRGB versions prior to 1.3.7.0, the \\\\.\\SignalIo device object is created without an explicit SDDL security descriptor and without FILE_DEVICE_SECURE_OPEN. This results in overly permissive default access control, allowing any authenticated local user to obtain a handle to the device and issue privileged IOCTLs.","status":"published","published":"2026-06-17T21:05:25Z","modified":"2026-06-18T13:12:38Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:20:36.672794Z"}],"ghsa":[{"id":"GHSA-c9xw-w9jw-mq5m","title":"In SignalRGB versions prior to 1.3.7.0, the \\\\.\\SignalIo device object is created without an...","description":"In SignalRGB versions prior to 1.3.7.0, the \\\\.\\SignalIo device object is created without an explicit SDDL security descriptor and without FILE_DEVICE_SECURE_OPEN. This results in overly permissive default access control, allowing any authenticated local user to obtain a handle to the device and issue privileged IOCTLs.","status":"published","published":"2026-06-18T00:32:36Z","modified":"2026-06-18T15:32:02Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:08:53.737891Z"}],"nvd":[{"id":"CVE-2026-8049","description":"In SignalRGB versions prior to 1.3.7.0, the \\\\.\\SignalIo device object is created without an explicit SDDL security descriptor and without FILE_DEVICE_SECURE_OPEN. This results in overly permissive default access control, allowing any authenticated local user to obtain a handle to the device and issue privileged IOCTLs.","status":"published","published":"2026-06-17T22:16:25.07Z","modified":"2026-10-26T11:10:00.157Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:12:24.544761Z"}]}}