Security Resilience

Records · Threats & exploitation

Record exploitation months

Months that set a record for confirmed exploitation (CISA KEV additions).

1 record · updated 16 October 2026, 12:42 UTC

11 October 2026A record month for exploited vulnerabilities: 43 added to CISA KEV43 vulnerabilities were added to CISA's Known Exploited Vulnerabilities catalog in 2026-09, the most in any month on record. Confirmed exploitation is

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