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Change History

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

{"timestamp":"2026-06-18T13:12:10.123796Z","id":"CVE-2026-8049","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

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.

https://kb.cert.org/vuls/id/380058

[{"vendor":"SignalRGB","product":"SignalRGB kernel driver","versions":[{"version":"0","lessThan":"1.3.7.0","versionType":"custom","status":"affected"}]}]