Eye Security, a cybersecurity firm, says it "identified active large-scale exploitation" of the new vulnerability "being used ...

CISA flags Microsoft SharePoint flaws under active attack by Chinese hackers. U.S. agencies must patch by July 23 ...

CISA gave agencies until the end of the day on Monday to mitigate a severe zero-day vulnerability in Microsoft's widely used ...

The zero-day vulnerability — which was first disclosed late Saturday — has been exploited by several Chinese state-aligned ...

Federal cybersecurity officials have issued a warning to Microsoft users about a security flaw allowing hackers to access to ...

Security researchers say Microsoft customers should take immediate action to defend against the ongoing cyberattacks, and ...

Microsoft also has issued a patch for a related SharePoint vulnerability — CVE-2025-53771; Microsoft says there are no signs ...

On July 20, 2025, Microsoft and the Cybersecurity and Infrastructure Security Agency (CISA) issued urgent warnings about new, actively ...

The hackers behind the initial wave of attacks exploiting a zero-day in Microsoft SharePoint servers have so far primarily ...

This Alert was updated to reflect newly released information from Microsoft, and to correct the actively exploited Common ...

CISA has mandated immediate mitigation for federal agencies, while analysts urge enterprises to accelerate cloud migration ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued an alert Sunday detailing active exploitation of a ...