Skip to content

Main Navigation

Microsoft Vulnerability Tracker

Microsoft Vulnerability Tracker

Category: Office

Microsoft Outlook Vulnerability Let Attackers Execute Malicious Code Remotely

December 10, 2025

[…]

Read More… from Microsoft Outlook Vulnerability Let Attackers Execute Malicious Code Remotely

Posted in Office, Product

Microsoft’s last Patch Tuesday of 2025 addresses 57 defects, including one zero-day

December 9, 2025

[…]

Read More… from Microsoft’s last Patch Tuesday of 2025 addresses 57 defects, including one zero-day

Posted in Azure, Office, Product, Windows

PoC Exploit Released for Critical Outlook 0-Click Remote Code Execution Vulnerability

December 1, 2025

[…]

Read More… from PoC Exploit Released for Critical Outlook 0-Click Remote Code Execution Vulnerability

Posted in Office, Product

Microsoft Teams Guest Chat Vulnerability Exposes Users to Malware Attacks

November 27, 2025

[…]

Read More… from Microsoft Teams Guest Chat Vulnerability Exposes Users to Malware Attacks

Posted in Office, Product

Microsoft Patch Tuesday addresses 63 defects, including one actively exploited zero-day 

November 11, 2025

[…]

Read More… from Microsoft Patch Tuesday addresses 63 defects, including one actively exploited zero-day 

Posted in Azure, Office, Product, Windows

New Whisper Leak Toolkit Exposes User Prompts to Popular AI Agents within Encrypted Traffic

November 9, 2025

[…]

Read More… from New Whisper Leak Toolkit Exposes User Prompts to Popular AI Agents within Encrypted Traffic

Posted in Office, Product

Hackers Abuse OneDrive.exe via DLL Sideloading to Run Malicious Code

November 5, 2025

[…]

Read More… from Hackers Abuse OneDrive.exe via DLL Sideloading to Run Malicious Code

Posted in Office, Product

Researchers warn of flaws that allow manipulation of Microsoft Teams messages

November 4, 2025

[…]

Read More… from Researchers warn of flaws that allow manipulation of Microsoft Teams messages

Posted in Office, Product

Sneaky Mermaid attack in Microsoft 365 Copilot steals data

October 24, 2025

[…]

Read More… from Sneaky Mermaid attack in Microsoft 365 Copilot steals data

Posted in Office, Product

Sharepoint ToolShell attacks targeted orgs across four continents

October 22, 2025

[…]

Read More… from Sharepoint ToolShell attacks targeted orgs across four continents

Posted in China, Nation-state attack, Office, Product

Posts navigation

  • 1
  • 2
  • 3
  • 4
  • »

The above compilation of published reports regarding data breaches and cyber attacks targeting Microsoft platforms and products is maintained by NetChoice. NetChoice is dedicated to ensuring free enterprise and free expression can thrive on the Internet securely.