Vendor Security Activity Reports

Per-vendor CVE disclosure volume, severity composition, CISA KEV listings, and patch velocity. Every number sourced from NVD, CISA, MITRE cvelistV5, or a vendor advisory timestamp. No synthesized scores.

Generated Jun 13, 2026Cohort: 3 vendors with ≥10 CVE advisoriesMethodology ↗

VendorCVEsCrit+HighKEV rate
Ubuntu25,57634.3%(8,784)0.6%(163)
Red Hat24,59133.6%(8,267)0.9%(217)
Microsoft19,80456.2%(11,134)1.9%(379)