Using risk cohorts to prioritize security updates

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Using risk cohorts to prioritize security updatesMSRC/ By MSRC / October 13, 2026For many customers, the priority is to install the appropriate security updates as soon as possible. Customers with more complex environments may also conduct additional risk assessments to help prioritize their response. As security update packages address more CVEs, these customers face a familiar challenge: determining which vulnerabilities require immediate attention in their environment and which may be lower priority.Each CVE still needs to be reviewed on its own merits, but many CVEs require analysts to answer the same questions about deployment, exposure, trust boundaries, and usage patterns. Grouping CVEs around those shared questions can provide a more efficient starting point for analysis.We call these provisional groupings risk cohorts. They are an exploratory way to help customers organize their own analysis. They are not official Microsoft vulnerability categories, do not change Microsoft up…