CISA KEV · ENISA EUVD · FIRST EPSS

Exploited vulnerabilities

The vulnerabilities attackers actually use, gathered from public sources and ranked by priority. Updated automatically, every day.

1,783exploited vulnerabilities tracked
8added in 7 days
35added in 30 days
37rising fast
361used by ransomware
665to fix within 24 h
5 vulnerabilities Clear filters Data updated on 03 Nov 2026
CVEProductPhaseEPSSCVSSIndexExploited on
CVE-2010-4345Exim Privilege Escalation VulnerabilityBackground exploitation18.0%7.85.525 Mar 2022
CVE-2010-4344Exim Heap-Based Buffer Overflow VulnerabilityBackground exploitation71.7%9.88.525 Mar 2022
CVE-2019-16928Exim Out-of-bounds Write VulnerabilityBackground exploitation41.6%9.87.603 Mar 2022
CVE-2019-10149Exim Mail Transfer Agent (MTA) Improper Input ValidationBackground exploitation99.96%9.09.010 Jan 2022
CVE-2018-6789Exim Buffer Overflow VulnerabilityBackground exploitation82.1%9.89.403 Nov 2021

How we rank vulnerabilities

A vulnerability joins this list as soon as CISA adds it to its KEV catalog or ENISA flags it as exploited in the EUVD.

The CheckOps priority index, out of 10, combines severity (CVSS), the probability of exploitation within 30 days (EPSS, FIRST) and public exploitation signals.

Above 8, we recommend patching within 24 hours; above 6, or as soon as a vulnerability is exploited, within 7 days.

Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors.