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September 2026

CVEs published September 14 to September 20, 2026

4,826 CVEs were published Sep 14 to Sep 20, 2026, 519 of them critical. CISA added 7 vulnerabilities to its Known Exploited Vulnerabilities catalog.

CVEs published
4,826
Critical
519
Added to CISA KEV
7
Busiest day
Tue, Sep 15 (1,426)
Quietest day
Sat, Sep 19 (103)

Added to CISA KEV 7

CVEs published Sep 14 to Sep 20, 2026 | cve.now