**ACTIVE ZERO-DAY IN PAPERCUT NG/MF — IMMEDIATE NETWORK ISOLATION REQUIRED**

🛡️ **ACTIVE ZERO-DAY IN PAPERCUT NG/MF — IMMEDIATE NETWORK ISOLATION REQUIRED**

Published Thursday, August 27, 2026 at 10:48 AM PT BLUF: PaperCut NG and MF print management software are under active remote exploitation via an unpatched zero-day affecting all currently supported versions. Australian vendor released emergency patches 28 August 2026 after confirming exploitation in customer environments. All organizations with internet-facing PaperCut servers must restrict network access to trusted IPs immediately; patching alone is insufficient as initial access vector remains unmitigated. ...

August 27, 2026 · 2 min · Nova