Patch tracker / KB5046618
KB5046618: Windows Server 2022, 23H2 Edition Security Update (November 2024)
KB5046618 is a Critical security update for Windows Server 2022, 23H2 Edition, released 2024-11-12. It closes 32 CVEs with a maximum CVSS of 9.8. At least one of them is actively exploited (CISA KEV) and linked to ransomware, so it is urgent, and Microsoft lists 1 known issue: test it before broad deployment. The most likely of them to be attacked is CVE-2024-43451, which FIRST.org rates at 84% probability of exploitation in the next 30 days.
Our data comes from Microsoft, CISA and other public sources, and it can be wrong or out of date. If you are unsure, check the linked source before you act, and tell us when we are wrong so we can fix it.
Update summary
Fixes 32 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 9.8 (Critical). EPSS exploit probability up to 84%. One is linked to ransomware. Among the top 5% of tracked Microsoft updates by EPSS exploit probability.
A newer security update for Windows Server 2022, 23H2 Edition (Server Core installation) has shipped since this one: KB5087541 (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 documents 1 known issue with this update.
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This November 12, 2024 package fixes 35 CVEs on Windows 10 Version 1809 and Windows Server 2019, carrying the same Critical, CVSS 9.8, 82 percent EPSS, confirmed CISA KEV, ransomware-linked profile as the rest of this month's release. Its broader CVE count makes it one of the stronger single-package options for this platform pair.
Do this: Consider standardizing on this 35-CVE build for Windows 10 1809 and Server 2019 where compatible, given its ransomware-linked content.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5046618
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5046618
- Released
- 2024-11-12
- Last changed
- 2026-10-21
- Changes tracked
- 12
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.
Microsoft revised KB5046618 on 2026-10-10: CVEs fixed 35 to 32.
- 2026-10-03 CVEs fixed 35 to 32
- 2026-10-05 CVEs fixed 32 to 35
- 2026-10-10 CVEs fixed 35 to 32
Recorded by Senserva on the dates shown, from the MSRC release feed. This is what moved and when, which neither the vendor advisory nor NVD publishes.
Check if KB5046618 is installed
Elevated PowerShell. No output means it is not installed.
Known issues, from Microsoft
Quoted from Microsoft's support article for KB5046618 (checked 2026-11-03). Microsoft lists 1 known issue. Verify against the article before acting.
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| Symptom
| Workaround
| Following the installation of the October 2024 security update, some customers report that the OpenSSH (Open Secure Shell) service fails to start, preventing SSH connections. The service fails with no detailed logging, and manual intervention is required to run the sshd.exe process.This issue is affecting both enterprise, IOT, and education customers, with a limited number of devices impacted. Microsoft is investigating whether consumer customers using Home or Pro editions of Windows are affected.
| This issue is addressed in KB5053599 .
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-2024-49039 | High | 8.8 | 14% | KEV Ransomware |
| CVE-2024-43451 | Medium | 6.5 | 84% | KEV |
| CVE-2024-43639 | Critical | 9.8 | 8.9% | No |
| CVE-2024-43620 | High | 8.8 | 1.6% | No |
| CVE-2024-43621 | High | 8.8 | 1.6% | No |
| CVE-2024-43622 | High | 8.8 | 1.6% | No |
| CVE-2024-43624 | High | 8.8 | 1.8% | No |
| CVE-2024-43627 | High | 8.8 | 1.7% | No |
| CVE-2024-43628 | High | 8.8 | 1.7% | No |
| CVE-2024-43635 | High | 8.8 | 1.7% | No |
| CVE-2024-43625 | High | 8.1 | <1% | No |
| CVE-2024-43623 | High | 7.8 | 4.5% | No |
| CVE-2024-43626 | High | 7.8 | <1% | No |
| CVE-2024-43629 | High | 7.8 | 4.4% | No |
| CVE-2024-43630 | High | 7.8 | 3.8% | No |
| CVE-2024-43636 | High | 7.8 | <1% | No |
| CVE-2024-43641 | High | 7.8 | <1% | No |
| CVE-2024-43644 | High | 7.8 | <1% | No |
| CVE-2024-49019 | High | 7.8 | 2.0% | No |
| CVE-2024-49046 | High | 7.8 | <1% | No |
| CVE-2024-43450 | High | 7.5 | <1% | No |
| CVE-2024-43452 | High | 7.5 | 30% | No |
| CVE-2024-43642 | High | 7.5 | 63% | No |
| CVE-2024-43449 | Medium | 6.8 | <1% | No |
| CVE-2024-43634 | Medium | 6.8 | <1% | No |
| CVE-2024-43637 | Medium | 6.8 | <1% | No |
| CVE-2024-43638 | Medium | 6.8 | <1% | No |
| CVE-2024-43643 | Medium | 6.8 | <1% | No |
| CVE-2024-43631 | Medium | 6.7 | <1% | No |
| CVE-2024-43646 | Medium | 6.7 | <1% | No |
| CVE-2024-38203 | Medium | 6.2 | <1% | No |
| CVE-2024-38264 | Medium | 5.9 | 1.3% | No |
Scope and sources
- Affected products
- Also released in November 2024
KB5046612
25 CVEs · Critical · exploitedKB5046615
28 CVEs · Critical · exploitedKB5046616
34 CVEs · Critical · exploitedKB5046617
33 CVEs · Critical · exploitedKB5046682
22 CVEs · Critical · exploitedKB5046696
33 CVEs · Critical · exploitedKB5046698
34 CVEs · Critical · exploitedKB5046613
28 CVEs · High · 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.