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December 2025

CVEs published December 15 to December 21, 2025

1,263 CVEs were published Dec 15 to Dec 21, 2025, 115 of them critical. CISA added 7 vulnerabilities to its Known Exploited Vulnerabilities catalog.

CVEs published
1,263
Critical
115
Added to CISA KEV
7
Busiest day
Thu, Dec 18 (399)
Quietest day
Sat, Dec 20 (24)

Added to CISA KEV 7