Patch tracker / KB5046696
KB5046696: Windows Server 2019 Security Update (November 2024)
KB5046696 is a Critical security update for Windows Server 2019, released 2024-11-12. It closes 36 CVEs with a maximum CVSS of 9.8. At least one of them is actively exploited (CISA KEV) and linked to ransomware, so this is a deploy-first update. 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 KB5046696
KB5046696 is the November 2024 rollup for Windows 10 1809 and Windows Server 2019, addressing 36 CVEs including one that is already in the CISA KEV catalog and linked to ransomware activity. The highest rated flaw carries Critical severity at CVSS 9.8 with an EPSS of 82 percent, meaning active exploitation is likely. Server 2019 domain controllers and file servers running this build are the most exposed since they are commonly reachable and long-lived.
Do this: Deploy KB5046696 to all Windows Server 2019 and Windows 10 1809 systems now, prioritizing internet-facing and domain-joined servers given the KEV-listed, ransomware-linked CVE.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5046696
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5046696
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 36 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 9.8 (Critical). EPSS exploit probability up to 82%. One is linked to ransomware.
Among the top 10% of tracked Microsoft updates by EPSS exploit probability.
What to do
Treat as urgent: it is being exploited in the wild (CISA KEV), so patch ahead of items that are not. Senserva flags whether KB5046696 is missing on your devices.
Check if KB5046696 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.
Known issues
Microsoft's support article for KB5046696 lists no known issues as of 2026-08-04. Check the article before broad deployment; Microsoft updates it as reports come in.
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-2024-43451 | Critical | 9.8 | 82% | KEV |
| CVE-2024-49039 | Critical | 9.8 | 82% | KEV Ransomware |
| CVE-2024-38203 | Critical | 9.8 | 82% | No |
| CVE-2024-38264 | Critical | 9.8 | 82% | No |
| CVE-2024-43449 | Critical | 9.8 | 82% | No |
| CVE-2024-43450 | Critical | 9.8 | 82% | No |
| CVE-2024-43452 | Critical | 9.8 | 82% | No |
| CVE-2024-43511 | Critical | 9.8 | 82% | No |
| CVE-2024-43516 | Critical | 9.8 | 82% | No |
| CVE-2024-43528 | Critical | 9.8 | 82% | No |
| CVE-2024-43620 | Critical | 9.8 | 82% | No |
| CVE-2024-43621 | Critical | 9.8 | 82% | No |
| CVE-2024-43622 | Critical | 9.8 | 82% | No |
| CVE-2024-43623 | Critical | 9.8 | 82% | No |
| CVE-2024-43624 | Critical | 9.8 | 82% | No |
| CVE-2024-43625 | Critical | 9.8 | 82% | No |
| CVE-2024-43626 | Critical | 9.8 | 82% | No |
| CVE-2024-43627 | Critical | 9.8 | 82% | No |
| CVE-2024-43628 | Critical | 9.8 | 82% | No |
| CVE-2024-43629 | Critical | 9.8 | 82% | No |
| CVE-2024-43630 | Critical | 9.8 | 82% | No |
| CVE-2024-43631 | Critical | 9.8 | 82% | No |
| CVE-2024-43633 | Critical | 9.8 | 82% | No |
| CVE-2024-43634 | Critical | 9.8 | 82% | No |
| CVE-2024-43635 | Critical | 9.8 | 82% | No |
| CVE-2024-43636 | Critical | 9.8 | 82% | No |
| CVE-2024-43637 | Critical | 9.8 | 82% | No |
| CVE-2024-43638 | Critical | 9.8 | 82% | No |
| CVE-2024-43639 | Critical | 9.8 | 82% | No |
| CVE-2024-43641 | Critical | 9.8 | 82% | No |
| CVE-2024-43642 | Critical | 9.8 | 82% | No |
| CVE-2024-43643 | Critical | 9.8 | 82% | No |
| CVE-2024-43644 | Critical | 9.8 | 82% | No |
| CVE-2024-43646 | Critical | 9.8 | 82% | No |
| CVE-2024-49019 | Critical | 9.8 | 82% | No |
| CVE-2024-49046 | Critical | 9.8 | 82% | No |
Affected products
Also released in November 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.