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 for August 13, 2025 includes security updates for 119 flaws, including a privilege escalation vulnerability in Windows Kerberos .
August 2025 Security Updates (Monthly) | MSRC Blog | Microsoft Security Response Center
https://msrc.microsoft.com/blog/2025/08/202508-security-update/
August 2025 Security Updates - Release Notes - Security Update Guide - Microsoft
https://msrc.microsoft.com/update-guide/releaseNote/2025-Aug
The August 2025 monthly security update has been released. Updates are performed automatically by default. For organizations that manage updates, we have published an overview on our blog. Please refer to it and deploy updates as soon as possible. https://t.co/PVn6aUfN1u #Security #Updates #Microsoftpic.twitter.com /R6gwgwN02v
— Microsoft Security Team (@JSECTEAM) August 12, 2025
The August 2025 security updates are as follows:
| Target products | maximum severity | The biggest impact | Related knowledge base articles or support web pages |
|---|---|---|---|
| Windows 11 v24H2, v23H2 | emergency | Remote code execution possible | v24H2 5063878 Hotpatch 5064010 v23H2 5063875 |
| Windows 10 | emergency | Remote code execution possible | v22H2 5063709 |
| Windows Server 2025 (including Server Core installation) | emergency | Remote code execution possible | 5063878 Hotpatch 5064010 |
| Windows Server 2022, 23H2 Edition (including Server Core installation) | emergency | Remote code execution possible | Windows Server 2022, 5063880 Windows Server 23H2, 5063899 |
| Windows Server 2019, 2016 (including Server Core installations) | emergency | Remote code execution possible | Windows Server 2019, 5063877 Windows Server 2016, 5063871 |
| Microsoft Office | emergency | Remote code execution possible | https://learn.microsoft.com/officeupdates |
| Microsoft SharePoint | emergency | Remote code execution possible | https://learn.microsoft.com/officeupdates/sharepoint-updates |
| Microsoft Teams | important | Remote code execution possible | https://learn.microsoft.com/microsoftteams |
| Microsoft Exchange Server | important | Information leakage | https://learn.microsoft.com/exchange Released: August 2025 Exchange Server Security Updates | Microsoft Community Hub |
| Microsoft Dynamics 365 | important | Information leakage | https://learn.microsoft.com/dynamics365 |
| Microsoft SQL Server | important | Privilege Escalation | https://learn.microsoft.com/sql |
| Microsoft Visual Studio | important | Remote code execution possible | https://learn.microsoft.com/visualstudio |
| Microsoft Azure | emergency | Privilege Escalation | https://learn.microsoft.com/azure |
Among the vulnerabilities fixed in the August 2025 security updates, CVE-2025-53779 , a privilege escalation vulnerability in Windows Kerberos, is a zero-day vulnerability.
In addition, CVE-2025-53766 , a remote code execution vulnerability in GDI+ , and CVE-2025-50165 , a remote code execution vulnerability in the Windows graphics component, have a high CVSS base score of 9.8.
Windows Update is released on the second Tuesday of every month in the US, and the next update is scheduled to be available on Wednesday, September 10, 2025, Japan time.
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