#smbv1

Analysis · May 20, 2026 · Colten Anderson

Still running SMBv1? The catalog has a 2017 reminder for you.

A cluster of old Windows bugs sits in the KEV catalog: an SMBv1 information-disclosure from the MS17-010 family that powered WannaCry, plus assorted legacy privilege-escalation flaws. They share one fix path: keep supported Windows patched, kill SMBv1, retire end-of-life.