Today is the monthly 'Windows Update' day.

The monthly Windows Update, which delivers security updates and bug fixes for Windows, has been released. The Windows Update on May 14, 2025 includes seven updates with a maximum severity of 'Critical' and five updates with a 'Important' severity.

May 2025 Security Updates (Monthly) | MSRC Blog | Microsoft Security Response Center
https://msrc.microsoft.com/blog/2025/05/202505-security-update/

Microsoft's monthly security update for May 2025 has been released. By default, updates are performed automatically. For organizations that manage updates, an overview has been published on the blog. Please refer to it and deploy updates as soon as possible. https://t.co/o3qd6wrDAF #Security #Updates #Microsoftpic.twitter.com /svoFSXcIDG

— Microsoft Security Team (@JSECTEAM) May 14, 2025

◆Windows 11 v24H2, v23H2
Maximum severity:
emergency

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
v24H2 5058411
v24H2 HotPatch 5058497
v23H2 5058405

◆Windows 10 v22H2
Maximum severity:
emergency

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
5058379

◆Windows Server 2025 (including Server Core installation)
Maximum severity:
emergency

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
5058411
HotPatch 5058497

◆Windows Server 2022, 23H2 (including Server Core installation)
Maximum severity:
emergency

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
Windows Server 2022, 5058385
Windows Server 2022 HotPatch 5058500
Windows Server 23H2, 5058384

◆Windows Server 2019, 2016 (including Server Core installation)
Maximum severity:
emergency

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
Windows Server 2019, 5058392
Windows Server 2016, 5058383

◆Remote Desktop client for Windows Desktop
Maximum severity:
emergency

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
https://learn.microsoft.com/en-us/windows-app/whats-new

◆Microsoft Office
Maximum severity:
emergency

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
https://learn.microsoft.com/officeupdates

◆Microsoft SharePoint
Maximum severity:
important

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
https://learn.microsoft.com/officeupdates/sharepoint-updates

◆Microsoft .NET
Maximum severity:
important

The biggest impacts:
Impersonation

Related knowledge base articles or support web pages:
https://learn.microsoft.com/dotnet

◆Microsoft Visual Studio
Maximum severity:
important

The biggest impacts:
Remote code execution possible

Related knowledge base articles or support web pages:
https://learn.microsoft.com/visualstudio

◆Microsoft Azure
Maximum severity:
important

The biggest impacts:
Elevation of privilege

Related knowledge base articles or support web pages:
https://learn.microsoft.com/azure

◆Microsoft Defender
Maximum severity:
important

The biggest impacts:
Elevation of privilege

Related knowledge base articles or support web pages:
https://learn.microsoft.com/defender

In the May 2025 Windows Update, four existing vulnerability information items have been updated. In addition, no new security advisories have been released, but one existing security advisory has been updated.

Windows Update is released on the second Tuesday of every month in the United States, and the next update is scheduled to be provided on Wednesday, June 11, 2025, Japan time.