Patch tracker / KB5044342
KB5044342: Windows Server 2019 Security Update (October 2024)
KB5044342 is a Critical security update for Windows Server 2019, released 2024-10-08. It closes 46 CVEs with a maximum CVSS of 9.0. 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-2024-38261, which FIRST.org rates at 67% probability of exploitation in the next 30 days.
Update summary
Fixes 46 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 9.0 (Critical). EPSS exploit probability up to 67%. Among the top 25% of tracked Microsoft updates by EPSS exploit probability.
A newer security update for Windows Server 2019 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.
KB5044342 expands October 2024's Server 2019 and Server 2022 fix set to forty six CVEs, adding CVE-2024-37976 to the CVE-2024-38261, CVE-2024-43607, and CVE-2024-43608 group. Critical severity, CVSS 9.0, a 61 percent EPSS score, and CISA KEV listing hold, so this package also resolves the actively exploited flaw plus additional coverage. Ten more fixed CVEs than its close siblings makes this a broader option where available.
Do this: Deploy KB5044342 where possible for wider October 2024 coverage including the CVE-2024-37976 fix.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5044342
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5044342
- Released
- 2024-10-08
- Last changed
- 2026-07-16
- Changes tracked
- 2
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 KB5044342 is installed
Elevated PowerShell. No output means it is not installed.
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.
Scope and sources
- Affected products
- Also released in October 2024
KB29166583
1 CVE · Critical · exploitedKB5044277
77 CVEs · Critical · exploitedKB5044281
65 CVEs · Critical · exploitedKB5044288
83 CVEs · Critical · exploitedKB5044293
56 CVEs · Critical · exploitedKB5044306
32 CVEs · Critical · exploitedKB5044320
32 CVEs · Critical · exploitedKB5044321
36 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.