How to patch your software
Step-by-step patching guides for the products attackers target most — each with the latest safe version and live active-exploitation exposure · updated June 2026
Knowing you're behind is half the battle; knowing how to get current is the other half. Each guide gives the canonical patch steps from the vendor, how to check your version, and exactly what you're exposed to right now. Pick a product:
Canonical · latest 26.04
Read the guide →Fortinet
Read the guide →Zimbra
Read the guide →Microsoft · latest 16.0.19725.20384
Read the guide →Palo Alto Networks
Read the guide →Broadcom / VMware · latest 9.1.0.0
Read the guide →Microsoft · latest 10.0.26100
Read the guide →Microsoft · latest 15.2.2562.43
Read the guide →Cisco
Read the guide →WordPress · latest 7.0.0
Read the guide →PHP · latest 8.5.7
Read the guide →Red Hat · latest 10.2
Read the guide →Microsoft · latest 17.0.4045.5 CU5
Read the guide →Microsoft
Read the guide →Adobe
Read the guide →Apple · latest 26.5.1
Read the guide →Ivanti
Read the guide →Oracle
Read the guide →Adobe
Read the guide →Debian · latest 13.5
Read the guide →Patch the right things first
Not sure what to fix before what? See how to prioritise patches (KEV + EPSS + CVSS + SSVC), or check a specific version for an instant verdict.