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. Get it from the Microsoft Update Catalog below, and see where it sits against the rest of the month on the patch tracker.

MediumCISA KEV

Update summary

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

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 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.

Exploitation and severity

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.

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 KB5046630 is missing on your devices.

Check if KB5046630 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.

CVESeverityCVSSEPSSExploited
CVE-2024-43451Critical9.882%KEV

Also released in November 2024

The highest-risk updates from the same release:

The full month, summarized: Microsoft Patch Tuesday.

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.