Patch tracker / KB5002661
KB5002661: Microsoft Office 2016 Security Update (December 2024)
KB5002661 is a High security update for Microsoft Office 2016, released 2024-12-10. It closes 2 CVEs with a maximum CVSS of 7.8. Get it from the Microsoft Update Catalog below, and see where it sits against the rest of the month on the patch tracker.
Update summary
New to these terms? How the Microsoft patching tools fit together, this month's Patch Tuesday summary, and every update ranked by real-world risk.
Senserva AI Opinion for KB5002661
This December 2024 update covers both Office 2016 and SharePoint Enterprise Server 2016, fixing two High severity issues at CVSS 7.8, including CVE-2024-43600 shared with several other Office KBs this cycle. Because it spans both a desktop application and a SharePoint server role, exposure includes end-user machines running Office 2016 as well as any SharePoint 2016 farm still on this build. Neither CVE is currently in CISA KEV or linked to ransomware.
Do this: Patch both Office 2016 clients and SharePoint Server 2016 farms with KB5002661.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5002661
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5002661
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.
Exploitation and severity
Fixes 2 CVEs. Most severe CVSS 7.8 (High). EPSS exploit probability up to 1.2%.
Among the lower half of tracked Microsoft updates by EPSS exploit probability.
What to do
Moderate priority: schedule it in your normal patch cycle. Senserva flags whether KB5002661 is missing on your devices.
Check if KB5002661 is installed
Copy-paste PowerShell: one machine, or your whole estate in one pass. No output means the update is not installed.
Get-HotFix covers Windows updates. Office, SharePoint, and Exchange server updates show under installed updates in Programs and Features, or check the Update Catalog history.
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.
| CVE | Severity | CVSS | EPSS | Exploited |
|---|---|---|---|---|
| CVE-2024-49065 | High | 8.2 | 3.3% | No |
| CVE-2024-43600 | High | 7.8 | 1.2% | No |
Affected products
Also released in December 2024
The highest-risk updates from the same release:
The full month, summarized: Microsoft Patch Tuesday.
Authoritative references
See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.