Patch tracker / KB5002743

KB5002743: Microsoft SharePoint Server 2019 Security Update (July 2025)

KB5002743 is a High security update for Microsoft SharePoint Server 2019, released 2025-07-08. It closes 1 CVE with a maximum CVSS of 7.8. The most likely of them to be attacked is CVE-2025-49703, which FIRST.org rates at 100% probability of exploitation in the next 30 days.

Update summary

High
2025-07-08
Released
1
CVEs fixed
7.8
Max CVSS
High
Severity
Deploy this cycle
Fixes 1 CVE for Microsoft SharePoint Server 2019. No confirmed in-the-wild exploitation in this set today.

Fixes 1 CVE. Most severe CVSS 7.8 (High). EPSS exploit probability up to <1%. Among the lower half of tracked Microsoft updates by EPSS exploit probability.

Senserva found thiswe track every release for this product line, so we can tell you this package is behind

A newer security update for Microsoft SharePoint Enterprise Server 2016 has shipped since this one: KB5002882 (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.

Microsoft Update Catalog: download KB5002743Microsoft support article
Senserva AI Opinion for KB5002743

KB5002743 fixes CVE-2025-49703, High severity at CVSS 7.8, across SharePoint Enterprise Server 2016, SharePoint Server 2019, and 32-bit Office 2019, from the July 2025 update cycle. It has two sibling packages covering the same fix for other editions.

Do this: Apply KB5002743 to the matching SharePoint or Office 2019 edition during July maintenance.

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

Senserva AI Opinion and rich prompt for KB5002743

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

Full tracking and change history for KB5002743

Released
2025-07-08
Last changed
2026-07-29
Changes tracked
3

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 KB5002743 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-2025-49703High7.8100%No

Scope and sources

Affected products
Also released in July 2025

KB5002753

2 CVEs · Critical · exploited

KB5002754

2 CVEs · Critical · exploited

KB5002759

2 CVEs · Critical · exploited

KB5002760

2 CVEs · Critical · exploited

KB5002768

2 CVEs · Critical · exploited

KB5002741

4 CVEs · High · exploited

KB5002744

4 CVEs · High · exploited

KB5002751

2 CVEs · High · exploited

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5002743 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.