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Microsoft Releases Emergency Updates Amid Active Exploitation of SharePoint Zero-Day Vulnerability Chain
Microsoft has released security patches for the zero-day vulnerability chain dubbed ToolShell, capable of remote code execution on SharePoint, resulting in the exploitation of at least 54 organizations worldwide.
Microsoft SharePoint zero-day exploited in RCE attacks, no patch available
Critical zero-day vulnerabilities in Microsoft SharePoint, tracked as CVE-2025-53770 and CVE-2025-53771, have been actively exploited since at least July 18th, with no patch available and at least 85 servers already compromised worldwide.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of ...
Microsoft is investigating whether a leak from its early alert system for cybersecurity companies allowed Chinese hackers to ...
More information has emerged on the ToolShell SharePoint zero-day attacks, including impact, victims, and threat actors.
Active SharePoint exploits since July 7 target governments and tech firms globally, risking key theft and persistent access.
Microsoft also has issued a patch for a related SharePoint vulnerability — CVE-2025-53771; Microsoft says there are no signs ...
Hackers have been exploiting two zero-day vulnerabilities in on-premises installations of Microsoft SharePoint to gain remote ...
The vulnerability, tracked as CVE-2025-53770, carries a severity rating of 9.8 out of a possible 10. It gives unauthenticated ...
Asianet Newsable on MSN2d
US Nuclear Weapons Agency Reportedly Hit In Microsoft ‘Zero-Day’ Breach — DOE Says Impact Was MinimalProviding additional updates on the breach, Microsoft said in a blog post on Tuesday that two Chinese nation-state operators, ...
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