Patch tracker / KB5062561
KB5062561: Windows Server 2019 Security Update (August 2025)
KB5062561 is a Critical security update for Windows Server 2019, released 2025-08-12. It closes 57 CVEs with a maximum CVSS of 9.8. Get it from the Microsoft Update Catalog below, and see where it sits against the rest of the month on the patch tracker.
Update summary
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 KB5062561
KB5062561 is the August 12, 2025 rollup for Windows 10 version 1809 and Windows Server 2019, closing 58 CVEs including one rated Critical at CVSS 9.8. None are on the CISA KEV list or tied to ransomware yet, and the highest EPSS across the set is 22 percent, so exploitation is not confirmed but the 9.8 flaw warrants priority. Server 2019 fleets are the main concern here given the concentration of network-facing roles on that platform.
Do this: Deploy KB5062561 to your Server 2019 and Windows 10 1809 systems this cycle, prioritizing internet-facing and domain-joined servers first.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5062561
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5062561
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 57 CVEs. Most severe CVSS 9.8 (Critical). EPSS exploit probability up to 25%.
Among the top half of tracked Microsoft updates by EPSS exploit probability.
What to do
Elevated priority: high severity or a meaningful exploitation probability, sooner if an affected product is internet-facing. Senserva flags whether KB5062561 is missing on your devices.
Check if KB5062561 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.
| CVE | Severity | CVSS | EPSS | Exploited |
|---|---|---|---|---|
| CVE-2025-47159 | Critical | 9.8 | 25% | No |
| CVE-2025-47971 | Critical | 9.8 | 25% | No |
| CVE-2025-47972 | Critical | 9.8 | 25% | No |
| CVE-2025-47973 | Critical | 9.8 | 25% | No |
| CVE-2025-47975 | Critical | 9.8 | 25% | No |
| CVE-2025-47976 | Critical | 9.8 | 25% | No |
| CVE-2025-47980 | Critical | 9.8 | 25% | No |
| CVE-2025-47981 | Critical | 9.8 | 25% | No |
| CVE-2025-47984 | Critical | 9.8 | 25% | No |
| CVE-2025-47985 | Critical | 9.8 | 25% | No |
| CVE-2025-47986 | Critical | 9.8 | 25% | No |
| CVE-2025-47987 | Critical | 9.8 | 25% | No |
| CVE-2025-47996 | Critical | 9.8 | 25% | No |
| CVE-2025-48001 | Critical | 9.8 | 25% | No |
| CVE-2025-48800 | Critical | 9.8 | 25% | No |
| CVE-2025-48803 | Critical | 9.8 | 25% | No |
| CVE-2025-48804 | Critical | 9.8 | 25% | No |
| CVE-2025-48805 | Critical | 9.8 | 25% | No |
| CVE-2025-48806 | Critical | 9.8 | 25% | No |
| CVE-2025-48808 | Critical | 9.8 | 25% | No |
| CVE-2025-48811 | Critical | 9.8 | 25% | No |
| CVE-2025-48815 | Critical | 9.8 | 25% | No |
| CVE-2025-48816 | Critical | 9.8 | 25% | No |
| CVE-2025-48817 | Critical | 9.8 | 25% | No |
| CVE-2025-48818 | Critical | 9.8 | 25% | No |
| CVE-2025-48819 | Critical | 9.8 | 25% | No |
| CVE-2025-48820 | Critical | 9.8 | 25% | No |
| CVE-2025-48821 | Critical | 9.8 | 25% | No |
| CVE-2025-48823 | Critical | 9.8 | 25% | No |
| CVE-2025-49658 | Critical | 9.8 | 25% | No |
| CVE-2025-49659 | Critical | 9.8 | 25% | No |
| CVE-2025-49660 | Critical | 9.8 | 25% | No |
| CVE-2025-49661 | Critical | 9.8 | 25% | No |
| CVE-2025-49664 | Critical | 9.8 | 25% | No |
| CVE-2025-49665 | Critical | 9.8 | 25% | No |
| CVE-2025-49667 | Critical | 9.8 | 25% | No |
| CVE-2025-49675 | Critical | 9.8 | 25% | No |
| CVE-2025-49678 | Critical | 9.8 | 25% | No |
| CVE-2025-49679 | Critical | 9.8 | 25% | No |
| CVE-2025-49680 | Critical | 9.8 | 25% | No |
| CVE-2025-49683 | Critical | 9.8 | 25% | No |
| CVE-2025-49684 | Critical | 9.8 | 25% | No |
| CVE-2025-49686 | Critical | 9.8 | 25% | No |
| CVE-2025-49687 | Critical | 9.8 | 25% | No |
| CVE-2025-49689 | Critical | 9.8 | 25% | No |
| CVE-2025-49691 | Critical | 9.8 | 25% | No |
| CVE-2025-49721 | Critical | 9.8 | 25% | No |
| CVE-2025-49722 | Critical | 9.8 | 25% | No |
| CVE-2025-49727 | Critical | 9.8 | 25% | No |
| CVE-2025-49730 | Critical | 9.8 | 25% | No |
| CVE-2025-49732 | Critical | 9.8 | 25% | No |
| CVE-2025-49740 | Critical | 9.8 | 25% | No |
| CVE-2025-49742 | Critical | 9.8 | 25% | No |
| CVE-2025-49744 | Critical | 9.8 | 25% | No |
| CVE-2025-49760 | Critical | 9.8 | 25% | No |
| CVE-2025-53789 | Critical | 9.8 | 25% | No |
| CVE-2025-55230 | Critical | 9.8 | 25% | No |
Affected products
Also released in August 2025
The highest-risk updates from the same release:
The full month, summarized: Microsoft Patch Tuesday.
Authoritative references
See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.