Microsoft warned of active zero-day attacks on SharePoint servers used by government and businesses, with FBI investigating.

Hackers exploited a zero-day vulnerability in Microsoft SharePoint servers, targeting US federal agencies and other entities.

Hackers exploited a major security flaw in widely used Microsoft server software to launch a global attack on government agencies and businesses in the pas ...

Microsoft has issued an alert about "active attacks" on server software used by government agencies and businesses to share ...

Hackers exploited a possible security flaw in widely used Microsoft server software over the past few days, it has emerged.

Microsoft warned SharePoint Server users of a vulnerability dubbed ToolShell in the software that was assigned CVE-2025-53770 ...

Unknown attackers exploited a “significant vulnerability” in Microsoft’s SharePoint collaboration software, hitting targets around the world.

The zero-day flaw, tracked as CVE-2025-53770 (CVSS score: 9.8), has been described as a variant of CVE-2025-49706 (CVSS score: 6.3), a spoofing bug in Microsoft SharePoint Server that was addressed by ...

A critical zero-day vulnerability in Microsoft SharePoint, tracked as CVE-2025-53770, has been actively exploited since at ...

Microsoft has stopped using China-based engineers for sensitive DoD cloud maintenance after a ProPublica report exposed major ...