A vulnerability was found in VS Revo RevoUninstaller 2.5.x/2.6.x . It has been declared as critical . The affected element is the function IOCtl_Handler in the library RevoDetector.sys of the component IOCTL Handler . Such manipulation leads to heap-based buffer overflow. This vulnerability is listed as CVE-2026-12193 . The attack must be carried out locally. In addition, an exploit is available. It is recommended to upgrade the affected component.