Patch tracker / KB5046630

KB5046630: Windows Server 2025 Security Update (November 2024)

KB5046630 is a Medium security update for Windows Server 2025, released 2024-11-12. It closes 1 CVE with a maximum CVSS of 6.5. 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-2024-43451, which FIRST.org rates at 82% probability of exploitation in the next 30 days.

Update summary

MediumCISA KEV
2024-11-12
Released
1
CVEs fixed
6.5
Max CVSS
Medium
Severity
Deploy now
This update fixes vulnerability confirmed exploited in the wild.

Fixes 1 CVE. At least one is actively exploited (CISA KEV). Most severe CVSS 6.5 (Medium). EPSS exploit probability up to 82%. Among the top 10% 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 Windows Server 2025 has shipped since this one: KB5053593 (2025-03-11). 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.

Microsoft Update Catalog: download KB5046630Microsoft support article
Senserva AI Opinion for KB5046630

KB5046630 is a narrower November 2024 update, in scope for the newer Windows Server 2025 line as well as Windows 10 version 1809, and it fixes a single CVE, CVE-2024-43451. That one bug is only rated Medium at CVSS 6.5, but it is already in CISA's Known Exploited Vulnerabilities catalog with an 82 percent EPSS score, so severity alone understates the urgency. Do not let the Medium label push this update down the queue.

Do this: Patch CVE-2024-43451 via KB5046630 on Windows Server 2025 and Windows 10 1809 systems despite its Medium rating.

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

Senserva AI Opinion and rich prompt for KB5046630

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

Full tracking and change history for KB5046630

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 KB5046630 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-2024-43451Medium6.582%KEV

Scope and sources

Affected products
Also released in November 2024

KB5046612

27 CVEs · Critical · exploited

KB5046615

31 CVEs · Critical · exploited

KB5046616

37 CVEs · Critical · exploited

KB5046617

33 CVEs · Critical · exploited

KB5046618

35 CVEs · Critical · exploited

KB5046682

22 CVEs · Critical · exploited

KB5046696

36 CVEs · Critical · exploited

KB5046698

37 CVEs · Critical · exploited

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5046630 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.