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Microsoft Vulnerability Tracker

Microsoft Vulnerability Tracker

Author: mplante

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Posts by mplante

Sneaky Mermaid attack in Microsoft 365 Copilot steals data

October 24, 2025

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

Posted in Office, Product

Hackers exploiting critical vulnerability in Windows Server Update Service

October 24, 2025

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Read More… from Hackers exploiting critical vulnerability in Windows Server Update Service

Posted in Product, Windows

Azure Apps Vulnerability Lets Hackers Create Malicious Apps Mimicking Microsoft Teams

October 22, 2025

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Read More… from Azure Apps Vulnerability Lets Hackers Create Malicious Apps Mimicking Microsoft Teams

Posted in Azure, Product

Sharepoint ToolShell attacks targeted orgs across four continents

October 22, 2025

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

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

CISA Warns of Windows SMB Vulnerability Actively Exploited in Attacks

October 21, 2025

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Read More… from CISA Warns of Windows SMB Vulnerability Actively Exploited in Attacks

Posted in Product, Windows

Microsoft 365 Copilot Vulnerability Enables Attackers to Exfiltrate Sensitive Emails

October 21, 2025

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Posted in Office, Product

CISA Alerts on Actively Exploited Windows Improper Access Control Flaw

October 16, 2025

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Read More… from CISA Alerts on Actively Exploited Windows Improper Access Control Flaw

Posted in Product, Windows

Microsoft’s Patch Tuesday fixes 175 vulnerabilities, including two actively exploited zero-days

October 14, 2025

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Read More… from Microsoft’s Patch Tuesday fixes 175 vulnerabilities, including two actively exploited zero-days

Posted in Azure, Office, Product, Windows

Researchers uncover major flaws in Microsoft Defender

October 14, 2025

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Read More… from Researchers uncover major flaws in Microsoft Defender

Posted in Other, Product

Hackers Exploit Microsoft Edge’s Internet Explorer Mode to Compromise User Devices

October 13, 2025

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Read More… from Hackers Exploit Microsoft Edge’s Internet Explorer Mode to Compromise User Devices

Posted in Product, Windows

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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.