Exploited vulnerabilities

The CISA Known Exploited Vulnerabilities catalogue, with severity and affected-product data from the National Vulnerability Database. Everything on this list has been observed in real attacks — it is not a forecast.

1695
On the catalogue
8
Added in 7 days
7
Due within 7 days
354
Used in ransomware
CVEAffectedCVSSAddedDue
CVE-2026-21660Johnsoncontrols Frick Controls Quantum Hd Firmware9.8critical
CVE-2026-21643Fortinet FortiClient EMS2026-04-132026-04-16
CVE-2026-21533Microsoft Windows2026-02-102026-03-03
CVE-2026-21525Microsoft Windows2026-02-102026-03-03
CVE-2026-21519Microsoft Windows2026-02-102026-03-03
CVE-2026-21514Microsoft Office2026-02-102026-03-03
CVE-2026-21513Microsoft Windows2026-02-102026-03-03
CVE-2026-21510Microsoft Windows2026-02-102026-03-03
CVE-2026-21509Microsoft Office2026-01-262026-02-16
CVE-2026-21385Qualcomm Multiple Chipsets2026-03-032026-03-24
CVE-2026-20963Microsoft SharePoint2026-03-182026-03-21
CVE-2026-20805Microsoft Windows2026-01-132026-02-03
CVE-2026-20700Apple Multiple Products2026-02-122026-03-05
CVE-2026-20316Cisco Secure Firewall Management Center (FMC)2026-07-292026-08-01
CVE-2026-20262Cisco Catalyst SD-WAN Manager2026-06-152026-06-29
CVE-2026-20253Splunk Enterprise2026-06-182026-06-21
CVE-2026-20245Cisco Catalyst SD-WAN Manager2026-06-092026-06-23
CVE-2026-20230Cisco Unified Communications Manager2026-06-252026-06-28
CVE-2026-20182Cisco Catalyst SD-WAN2026-05-142026-05-17
CVE-2026-20133Cisco Catalyst SD-WAN Manager2026-04-202026-04-23
CVE-2026-20128Cisco Catalyst SD-WAN Manager2026-04-202026-04-23
CVE-2026-20127Cisco Catalyst SD-WAN Controller and Manager2026-02-252026-02-27
CVE-2026-20122Cisco Catalyst SD-WAN Manger2026-04-202026-04-23
CVE-2026-20079Not specified10.0critical
CVE-2026-20045Cisco Unified Communications Manager2026-01-212026-02-11
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