Patch tracker / KB5084817

KB5084817: Microsoft SQL Server 2025 for x64-base Security Update (April 2026)

KB5084817 is a Medium security update for Microsoft SQL Server 2025 for x64-base, released 2026-04-14. It closes 2 CVEs with a maximum CVSS of 6.7. It is the 34th largest of the 60 updates Microsoft shipped that month, by CVEs closed.

Update summary

Medium
2026-04-14
Released
2
CVEs fixed
6.7
Max CVSS v3
Medium
Severity
Deploy this cycle
Fixes 2 CVEs for Microsoft SQL Server 2025 for x64-base. No confirmed in-the-wild exploitation in this set today.

Fixes 2 CVEs. Most severe CVSS 6.7 (Medium). EPSS exploit probability up to <1%. Among the lower half of tracked Microsoft updates by EPSS exploit probability.

Microsoft Update Catalog: download KB5084817Microsoft support article
Senserva AI Opinion for KB5084817

KB5084817 patches two Medium severity flaws (CVE-2026-32167 and CVE-2026-32176, top CVSS 6.7) across SQL Server 2025 CU3, SQL Server 2022 CU24, and SQL Server 2017 GDR. This spans both current CU trains and the older 2017 branch on its GDR path, so exposure depends on which servicing model your instances follow. Neither CVE is in CISA KEV, none are ransomware-linked, and EPSS is 0 percent, so this is routine maintenance rather than an emergency.

Do this: Confirm each SQL Server instance's version and servicing branch, then schedule KB5084817 into your next standard database patch window with normal backup and failover checks.

AI-generated from public data, 2026-07-21. Verify against the vendor advisory before acting.

Senserva AI Opinion and rich prompt for KB5084817

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

Full tracking and change history for KB5084817

Released
2026-04-14
Last changed
2026-04-14
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 KB5084817 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.

CVESeverityCVSSEPSSExploited
CVE-2026-32167Medium6.7<1%No
CVE-2026-32176Medium6.7<1%No

Scope and sources

Affected products
Also released in April 2026

KB5082052

115 CVEs · Critical · exploited

KB5082060

121 CVEs · Critical · exploited

KB5082063

124 CVEs · Critical · exploited

KB5082123

107 CVEs · Critical · exploited

KB5082142

116 CVEs · Critical · exploited

KB5082198

87 CVEs · Critical · exploited

KB5082200

107 CVEs · Critical · exploited

KB5083768

119 CVEs · Critical · exploited

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5084817 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.