Patch tracker / KB5046705
KB5046705: Windows Server 2019 Security Update (November 2024)
KB5046705 is a High security update for Windows Server 2019, released 2024-11-12. It closes 20 CVEs with a maximum CVSS of 8.8. At least one of them is actively exploited (CISA KEV), so this is a deploy-first update. The most likely of them to be attacked is CVE-2024-43623, which FIRST.org rates at 82% probability of exploitation in the next 30 days.
Update summary
Fixes 20 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 8.8 (High). EPSS exploit probability up to 82%. Among the top 10% of tracked Microsoft updates by EPSS exploit probability.
A newer security update for Windows 10 Version 1809 for 32-bit Systems has shipped since this one: KB5094041 (2026-08-11). 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.
KB5046705 is another November 2024 build for Windows 10 version 1809 and Windows Server 2019, addressing the same twenty CVE set as its companion packages that month. The top flaw is High severity, CVSS 8.8, sits in the CISA KEV catalog, and has an 82 percent EPSS score, an unusually high likelihood of exploitation reading for a non critical rating. Treat the High severity label as a technicality, the KEV listing means it is being used in the wild now.
Do this: Apply KB5046705 immediately on any remaining unpatched Windows 10 1809 or Windows Server 2019 hosts.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5046705
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5046705
- Released
- 2024-11-12
- Last changed
- 2024-11-12
- 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 KB5046705 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.
| CVE | Severity | CVSS | EPSS | Exploited |
|---|---|---|---|---|
| CVE-2024-43451 | Medium | 6.5 | 82% | KEV |
| CVE-2024-43620 | High | 8.8 | 82% | No |
| CVE-2024-43621 | High | 8.8 | 82% | No |
| CVE-2024-43622 | High | 8.8 | 82% | No |
| CVE-2024-43627 | High | 8.8 | 82% | No |
| CVE-2024-43628 | High | 8.8 | 82% | No |
| CVE-2024-43635 | High | 8.8 | 82% | No |
| CVE-2024-43623 | High | 7.8 | 82% | No |
| CVE-2024-43626 | High | 7.8 | 82% | No |
| CVE-2024-43641 | High | 7.8 | 82% | No |
| CVE-2024-43644 | High | 7.8 | 82% | No |
| CVE-2024-49019 | High | 7.8 | 82% | No |
| CVE-2024-49046 | High | 7.8 | 82% | No |
| CVE-2024-43450 | High | 7.5 | 82% | No |
| CVE-2024-43449 | Medium | 6.8 | 82% | No |
| CVE-2024-43634 | Medium | 6.8 | 82% | No |
| CVE-2024-43637 | Medium | 6.8 | 82% | No |
| CVE-2024-43638 | Medium | 6.8 | 82% | No |
| CVE-2024-43643 | Medium | 6.8 | 82% | No |
| CVE-2024-38203 | Medium | 6.2 | 82% | No |
Scope and sources
- Affected products
- Also released in November 2024
KB5046612
27 CVEs · Critical · exploitedKB5046615
31 CVEs · Critical · exploitedKB5046616
37 CVEs · Critical · exploitedKB5046617
33 CVEs · Critical · exploitedKB5046618
35 CVEs · Critical · exploitedKB5046682
22 CVEs · Critical · exploitedKB5046696
36 CVEs · Critical · exploitedKB5046698
37 CVEs · Critical · exploitedThe full month, summarized: Microsoft Patch Tuesday.
- Authoritative references
See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.