CVE-2025-4960 macOS Local Privilege Escalation via Improper Authorization Handling in EPSON Printer Controller Installer

The com.epson.InstallNavi.helper tool, deployed with the EPSON printer driver installer, contains a local privilege escalation vulnerability due to multiple flaws in its implementation. It fails to properly authenticate clients over the XPC protocol and does not correctly enforce macOS’s...

CVE-2025-4960

CVE-2025-4960 affects macOS via the EPSON printer driver installer’s com.epson.InstallNavi.helper, which exposes privileged functionality due to improper authorization handling and weak client authentication over XPC. The API flow uses overly permissive custom rights registered in /var/db/auth.db...