KB5062618: Windows Server 2019 Security Update (August 2025)

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Download KB5062618

Get the official update for KB5062618. The download and file size for each supported product are on the Microsoft Update Catalog page.

Update summary

Senserva AI Opinion for KB5062618

KB5062618 is the August 12, 2025 rollup for Windows 10 Version 1809 and Windows Server 2019, closing 51 vulnerabilities including CVE-2025-55230 and CVE-2025-48824. The top issue rates High at CVSS 8.8, but none of these CVEs are in the CISA KEV catalog or tied to known ransomware, and the highest EPSS exploitation probability sits at 14 percent. This matters most for the aging 1809 and Server 2019 fleet that many organizations still run for legacy application compatibility.

Do this: Deploy KB5062618 to your remaining Windows 10 1809 and Server 2019 hosts this cycle, prioritizing internet-facing Server 2019 systems.

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

Senserva AI Opinion and rich prompt for KB5062618

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

Full tracking and change history for KB5062618

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 51 CVEs. Most severe CVSS 8.8 (High). EPSS exploit probability up to 14%.

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 KB5062618 is missing on your devices.

Check if KB5062618 is installed

Copy-paste PowerShell: one machine, or your whole fleet 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.

Writing about KB5062618? Cite this page

Copy-paste for a blog post, forum answer, or internal doc. The link always carries the current risk data.

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.

Affected products

• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows Server 2019

Also released in August 2025

The highest-risk updates from the same release:

The full month, summarized: Microsoft Patch Tuesday.

How to install KB5062618

Any of these paths delivers KB5062618; most organizations already have one of the first three running:

• Intune update rings (Windows Update for Business): the update flows on each ring's deferral schedule.
• Windows Autopatch: rings, rollout, and pause or rollback are managed for you; exploited updates can be expedited.
• WSUS / Configuration Manager: approve KB5062618 for your device groups and set a deadline.
• Manual: download from the Update Catalog above and install; fine for a handful of machines, unmanageable at any real scale.

After the rollout, verify rather than assume: update compliance reporting in Intune or Autopatch shows which devices actually installed it, and Siemserva reads Intune, Defender, Autopatch, and Azure Update Manager together to show the devices still missing KB5062618, ranked by exploitation.

Common questions about KB5062618

Is KB5062618 urgent?

KB5062618 is rated High. Include it in your normal patch cycle unless your environment raises its priority.

How do I download KB5062618?

From the Microsoft Update Catalog (linked on this page), or let Intune, Windows Update for Business, Windows Autopatch, or WSUS deliver it. The catalog page lists the download for each supported product.

How do I deploy KB5062618 with Intune?

Assign a Windows Update ring (quality update policy) to the device groups and the update flows on the ring's deferral schedule. For urgent updates, Intune expedite policies can bypass the ring deferrals. Verify the rollout with update compliance reporting rather than assuming delivery.

Can I ask my own AI about KB5062618?

Yes. This page includes a free, ready-to-paste AI prompt containing KB5062618's key facts: severity, CVE count, exploitation status, and the download link. Copy it into Claude, ChatGPT, or Copilot for a rollout plan; the data is refreshed three times a day (5 AM, 12:30 PM, and 7 PM US Central).

Authoritative references