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title: Patch Tuesday (Microsoft)

description: Patch-cycle view that prioritizes Microsoft CVEs by urgency (P0–P3), KEV, CVSS, and EPSS.

Patch Tuesday (Microsoft)

Menu: Agents → Patch Tuesday

Patch Tuesday is a patch-cycle view focused on Microsoft Patch Tuesday releases. It helps you triage CVEs for a given patch cycle and prioritize what to patch first using: - priority bands (P0–P3) - KEV (Known Exploited Vulnerabilities) - CVSS severity - EPSS (exploit likelihood) - affected product family / product

Patch Tuesday

What you’re looking at

Cycle summary

Summary (placeholder)

At the top, you’ll see: - count of unique CVEs - counts by priority (P0 Emergency, P1 High, P2 Medium, P3 Low) - the patch cycle date and generation timestamp

Use this for: - a fast “how big is this month?” snapshot - tracking backlog reduction over the patch window

Filters

Filters (placeholder)

You can filter by: - Cycle (e.g., 2026-Feb) - Priority - Product family - Severity - Search (CVE, title, product)

KEV toggle

KEV toggle (placeholder)

Turn on KEV to focus on vulnerabilities that are known to be exploited.

CVE cards

CVE card (placeholder)

Each CVE entry typically includes: - CVE ID + title - priority (P0–P3) - KEV indicator (when applicable) - product family and affected products - CVSS - EPSS + percentile - associated KBs / updates (when available)

How to use this page (operator workflow)

A practical monthly flow:

1) Start with KEV + P0 - Turn on KEV - Filter to P0 (Emergency) - Patch these first (or implement compensating controls immediately)

2) Use EPSS to prioritize within a priority band - When you have many P1/P2 items, sort mentally by EPSS (higher likelihood first)

3) Group work by product family - Cluster Windows Server vs Workstations vs Office/Edge/etc.

4) Coordinate by customer / environment - In multi-tenant stacks, drive patch work per tenant and track completion

5) Validate outcome - Confirm patch deployment via your patch tooling - Re-check vulnerability posture in CoPilot after inventory refresh

Use the priority bands as an urgency rubric: - P0 (Emergency): patch immediately (especially if KEV/high EPSS) - P1 (High): patch in the first wave of the cycle - P2 (Medium): patch in the standard window - P3 (Low): patch as capacity allows

Always combine this with: - asset criticality - exposure (internet-facing vs internal) - compensating controls (EDR, network controls, app allowlisting)

Prerequisites

  • Patch Tuesday feed/data source is enabled and up-to-date
  • Vulnerability data ingestion is working (for EPSS/CVSS enrichment where applicable)

Gotchas

  • Don’t treat CVSS as a patch order by itself—use KEV + EPSS + exposure + asset criticality.
  • Patch Tuesday prioritization is about urgency, not just severity.
  • Some environments require maintenance windows—use compensating controls when you can’t patch immediately.