How should security patches be prioritized during maintenance?

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Prioritizing security patches should be done with a risk-based approach. Evaluate how likely a vulnerability is to be exploited, the potential impact if it’s exploited (especially on critical or exposed systems), how applying the patch could affect stability and compatibility, and any regulatory or policy requirements that mandate timely remediation. This combination—risk, exploitability, impact on stability, and compliance—directly guides which patches to deploy first. For example, a vulnerability with high exploit likelihood that affects a public-facing service and could cause significant data loss or downtime should take precedence over a minor issue in a non-critical component with low exposure. Relying on patch size, vendor popularity, or superficial indicators like the color of a CVE score doesn’t reflect real risk and can lead to suboptimal decisions. A structured, risk-informed process ensures you fix the most dangerous issues first while keeping systems stable and compliant.