Patch tracker / KB5063756
KB5063756: Microsoft SQL Server 2017 for x64-base Security Update (August 2025)
KB5063756 is a High security update for Microsoft SQL Server 2017 for x64-base, released 2025-08-12. It closes 5 CVEs with a maximum CVSS of 8.8. 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 KB5063756
KB5063756 is an August 2025 GDR update patching five CVEs across SQL Server 2016 SP3, 2017, and 2019 for x64, with the worst rated High severity at CVSS 8.8. Anyone running these SQL Server versions on database hosts is exposed, though none of these CVEs are in CISA KEV and the highest EPSS is only 2 percent, so active exploitation is not currently indicated. The value here is closing a batch of elevation and injection style flaws on database engines before they become attractive targets.
Do this: Schedule the KB5063756 GDR patch for your SQL Server 2016 SP3, 2017, and 2019 x64 instances during your next maintenance window.
AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for KB5063756
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5063756
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 5 CVEs. Most severe CVSS 8.8 (High). EPSS exploit probability up to 1.6%.
Among the lower half of tracked Microsoft updates by EPSS exploit probability.
What to do
Moderate priority: schedule it in your normal patch cycle. Senserva flags whether KB5063756 is missing on your devices.
Check if KB5063756 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-2025-24999 | High | 8.8 | 1.6% | No |
| CVE-2025-47954 | High | 8.8 | 1.6% | No |
| CVE-2025-49758 | High | 8.8 | 1.6% | No |
| CVE-2025-49759 | High | 8.8 | 1.6% | No |
| CVE-2025-53727 | High | 8.8 | 1.6% | 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.