CVE-2025-59050 Greenshot — Insecure .NET deserialization via WM_COPYDATA enables local code execution

Greenshot is an open source Windows screenshot utility. Greenshot 1.3.300 and earlier deserializes attacker-controlled data received in a WMCOPYDATA message using BinaryFormatter.Deserialize without prior validation or authentication, allowing a local process at the same integrity level to trigge...