Patch tracker / KB5002618

KB5002618: Microsoft SharePoint Server 2019 Security Update (July 2024)

KB5002618 is a High security update for Microsoft SharePoint Server 2019, released 2024-07-09. It closes 4 CVEs with a maximum CVSS of 7.5. At least one of them is actively exploited (CISA KEV) and linked to ransomware, so this is a deploy-first update. The most likely of them to be attacked is CVE-2024-38023, which FIRST.org rates at 53% probability of exploitation in the next 30 days.

Update summary

HighCISA KEVRansomware
2024-07-09
Released
4
CVEs fixed
7.5
Max CVSS
High
Severity
Deploy immediately
This update fixes vulnerabilities confirmed exploited in the wild, including ransomware-linked CVEs.

Fixes 4 CVEs. At least one is actively exploited (CISA KEV). Most severe CVSS 7.5 (High). EPSS exploit probability up to 53%. One is linked to ransomware. Among the top 25% 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.

Senserva found thisread these before you deploy broadly

Microsoft documents 1 known issue with this update.

  • This security update introduces a change where the Microsoft.SharePoint.ApplicationPages.SPThemes class is marked as unsafe in all Web.config files....

The full text, quoted from Microsoft

Microsoft Update Catalog: download KB5002618Microsoft support article
Senserva AI Opinion for KB5002618

KB5002618 patches Microsoft SharePoint Enterprise Server 2016, SharePoint Server 2019, and SharePoint Server Subscription Edition, fixing four CVEs, CVE-2024-38023, CVE-2024-38024, CVE-2024-32987, and CVE-2024-38094. The top flaw is High severity at CVSS 7.5, but it is both in the CISA KEV catalog and tied to ransomware activity with a 53 percent EPSS score, so an on premises SharePoint farm left unpatched is a documented path into ransomware incidents. SharePoint's role as a shared document store makes a compromise here especially damaging for lateral movement.

Do this: Patch all on premises SharePoint Server farms with KB5002618 given the confirmed ransomware and CISA KEV linkage.

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

Senserva AI Opinion and rich prompt for KB5002618

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

Full tracking and change history for KB5002618

Released
2024-07-09
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 KB5002618 is installed

Elevated PowerShell. No output means it is not installed.

Known issues, from Microsoft

Quoted from Microsoft's support article for KB5002618 (checked 2026-08-12). Verify against the article before acting.

This security update introduces a change where the Microsoft.SharePoint.ApplicationPages.SPThemes class is marked as unsafe in all Web.config files. This change has inadvertently caused some SharePoint PowerShell cmdlets to not function properly. For example, the Test-SPContentDatabase cmdlet, the cmdlet that enables the Document Sets feature, and the cmdlet that enables the Video and Rich Media feature.

This issue is fixed in the Description of the security update for SharePoint Enterprise Server 2016: September 10, 2024 (KB5002624) .

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-2024-38094High7.553%KEV Ransomware
CVE-2024-32987High7.553%No
CVE-2024-38023High7.253%No
CVE-2024-38024High7.253%No

Scope and sources

Affected products
Also released in July 2024

KB5002606

4 CVEs · High · exploited

KB5002615

4 CVEs · High · exploited

KB5040426

1 CVE · High · exploited

KB5002620

2 CVEs · High

KB5040711

1 CVE · High

KB5040712

1 CVE · High

KB5040936

38 CVEs · High

KB5040939

38 CVEs · High

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5002618 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.