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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 fixes SharePoint zero-day exploits used in cyberattacks and ransomware - how to patch them
Microsoft has pointed the finger at three Chinese nation-state actors for exploiting the SharePoint vulnerabilities. Here's what we know about the security flaws and how to guard against future attacks.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of ...
CISA has mandated immediate mitigation for federal agencies, while analysts urge enterprises to accelerate cloud migration ...
The vulnerability, tracked as CVE-2025-53770, carries a severity rating of 9.8 out of a possible 10. It gives unauthenticated ...
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 ...
Security researchers say Microsoft customers should take immediate action to defend against the ongoing cyberattacks, and ...
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