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OpenAdvisories

Weekly digest

Week 39, 2026

21–27 September 2026

New CVEs
2,857
Critical
227
High
1,029
Newly exploited
14
Advisories
811
Malicious pkgs
899

Newly exploited 14

Added to CISA KEV or flagged as exploited by ENISA this week — patch these first.

Critical new vulnerabilities

Published this week with a CVSS score of 9.0 or higher, most likely to be exploited first.

All 227 critical vulnerabilities of the week, day by day →

Not critical, but likely targeted

New this week with the highest EPSS — a lower CVSS score does not mean nobody will use them.

Advisories