Ref# ADV2025_191 | Date: Jul 15th 2025

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Microsoft has published a security advisory highlighting vulnerabilities in the following products on July 8th, 2025. It is recommended that you take the necessary precautions by ensuring your products are always updated. 

• Microsoft 365 Apps – multiple versions and platforms 
• Microsoft Office 2016 – multiple platforms 
• Microsoft Office 2019 – multiple platforms 
• Microsoft Office for Android 
• Microsoft Office LTSC 2021 – multiple platforms 
• Microsoft Office LTSC 2024 – multiple platforms 
• Microsoft Office LTSC for Mac 2021 
• Microsoft Office LTSC for Mac 2024 
• Microsoft SharePoint Enterprise Server 2016 
• Microsoft SharePoint Server 2019 
• Microsoft Word 2016 – multiple platforms 
• Windows 10 – multiple versions and platforms 
• Windows 11 – multiple versions and platforms 
• Windows Server 2008 – multiple platforms 
• Windows Server 2012 – multiple platforms 
• Windows Server 2016 – multiple platforms 
• Windows Server 2019 – multiple platforms 
• Windows Server 2022 – multiple platforms 
• Windows Server 2025 – multiple platforms 
• Microsoft SQL Server – multiple platforms 

For more information on these updates, you can follow these URLs: 

• July 2025 Security Updates 
• Security Update Guide 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.

PDF Download: Microsoft Security Advisory

References 

• Security Update Guide. (July 8th, 2025). Retrieved from Microsoft. https://msrc.microsoft.com/update-guide/en-us 
• Microsoft Security Advisory. (July 8th, 2025). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/microsoft-security-advisory-july-2025-monthly-rollup-av25-407