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.

1699
On the catalogue
5
Added in 7 days
7
Due within 7 days
358
Used in ransomware
CVEAffectedCVSSAddedDue
CVE-2026-4134Lenovo Software Fix7.3high
CVE-2026-40542Apache Httpclient7.3high
CVE-2026-3593Isc Bind7.4high
CVE-2026-34647Adobe Commerce7.4high
CVE-2026-33247Linuxfoundation Nats-Server7.4high
CVE-2026-18636Not specified6.8medium
CVE-2026-14838Not specified7.4high
CVE-2026-14290Not specified6.8medium
CVE-2026-12992Redhat Build Of Apicurio Registry7.4high
CVE-2026-11837Not specified7.3high
CVE-2022-20866Cisco Adaptive Security Appliance Software7.4high
CVE-2022-20742Cisco Secure Firewall Threat Defense7.4high
CVE-2021-36945Microsoft Windows 10 Update Assistant7.3high
CVE-2020-3577Cisco Secure Firewall Threat Defense7.4high
CVE-2020-3334Cisco Adaptive Security Appliance Software7.4high
CVE-2019-12676Cisco Adaptive Security Appliance7.4high
CVE-2019-10086Apache Commons Beanutils7.3high
CVE-2026-75049Not specified6.5medium
CVE-2026-75047Not specified6.5medium
CVE-2026-74980Mozilla Firefox Mobile6.5medium
CVE-2026-74948Mozilla Firefox6.5medium
CVE-2026-74945Mozilla Firefox6.5medium
CVE-2026-73583Redhat Enterprise Linux6.6medium
CVE-2026-73330Not specified6.6medium
CVE-2026-73059Not specified6.5medium
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