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May 2026

CVEs published May 25 to May 31, 2026

2,069 CVEs were published May 25 to May 31, 2026, 190 of them critical. CISA added 5 vulnerabilities to its Known Exploited Vulnerabilities catalog.

CVEs published
2,069
Critical
190
Added to CISA KEV
5
Busiest day
Wed, May 27 (714)
Quietest day
Sat, May 30 (51)

Added to CISA KEV 5