Patch tracker / KB5067331

KB5067331: Microsoft Dynamics 365 version 9.1 Security Update (November 2025)

KB5067331 is a Medium security update for Microsoft Dynamics 365 version 9.1, released 2025-11-11. It closes 1 CVE with a maximum CVSS of 6.5. It is the fourth largest of the 18 updates Microsoft shipped that month, by CVEs closed.

Update summary

Medium
2025-11-11
Released
1
CVEs fixed
6.5
Max CVSS v3
Medium
Severity
Deploy this cycle
Fixes 1 CVE for Microsoft Dynamics 365 version 9.1. No confirmed in-the-wild exploitation in this set today.

Fixes 1 CVE. Most severe CVSS 6.5 (Medium). EPSS exploit probability up to <1%. Among the lower half of tracked Microsoft updates by EPSS exploit probability.

Senserva found thiswe track every release for this product line, so we can tell you this package is behind

A newer security update for Microsoft Dynamics 365 (on-premises) version 9.1 has shipped since this one: KB5078943 (2026-05-12). For cumulative update families the newer package includes these fixes, so installing that one is usually the shorter path. Verify against your own update rings before you skip this package.

Microsoft Update Catalog: download KB5067331Microsoft support article
Senserva AI Opinion for KB5067331

KB5067331 patches a single flaw (CVE-2025-62206) in the on-premises build of Microsoft Dynamics 365 version 9.1, rated Medium at CVSS 6.5 with a low 1 percent EPSS. This affects organizations still running Dynamics 365 in their own datacenters rather than the cloud service, a shrinking but often overlooked population. It is not in the CISA KEV catalog and has no ransomware association, so this is routine maintenance rather than an emergency.

Do this: Schedule KB5067331 for your next patch window on any self-hosted Dynamics 365 v9.1 servers, and confirm no on-premises instances were missed in your inventory.

AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for KB5067331

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

Full tracking and change history for KB5067331

Released
2025-11-11
Last changed
2025-11-11
Changes tracked
1

Senserva began recording day-to-day change history on 2026-07-07, and refreshes it several times a day. Release dates are historical where Microsoft publishes them; revision history is tracked from that date forward, so it does not include changes made before then.

Check if KB5067331 is installed

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CVEs fixed by this update

Sorted exploited-first, then by CVSS. Every CVE links to its Senserva page with the full risk facts, references, and a ready-to-paste AI prompt.

CVESeverityCVSSEPSSExploited
CVE-2025-62206Medium6.5<1%No

Scope and sources

Affected products
Also released in November 2025

KB5068400

1 CVE · High

KB5068401

1 CVE · High

KB5068402

1 CVE · High

KB5068403

1 CVE · High

KB5068404

1 CVE · High

KB5068405

1 CVE · High

KB5068406

1 CVE · High

KB5068407

1 CVE · High

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5067331 page (Microsoft Support)Microsoft Update CatalogMicrosoft Security Update Guide

See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.

New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
Provided as is, without warranty; verify against the vendor advisory before acting. Data notice and terms.