Chinese hackers have targeted Microsoft on-premises SharePoint servers. Hackers are at it again. This time, they've attacked on-premises Microsoft SharePoint servers. SharePoint Online is not impacted ...

Hackers exploited a security flaw in Microsoft software, prompting an international investigation. File Photo by Keizo Mori/UPI July 21 (UPI) --An investigation is underway after hackers used a ...

PCMag editors select and review products independently. If you buy through affiliate links, we may earn commissions, which help support our testing. Chinese hackers appear to be having a field day ...

Update July 22, 2025: Microsoft has updated its blog and advisories, adding a patch for on-premises SharePoint 2016 -- noting again that related vulnerabilities do not affect SharePoint Online in ...

A July 8 fix for a critical SharePoint zero-day failed to stop active exploitation, enabling state-backed attackers to breach nearly 100 organizations worldwide. A July 8 patch for the SharePoint ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued an alert Sunday detailing active exploitation of a critical SharePoint vulnerability, CVE-2025-53770. The zero-day flaw has ...

Microsoft has patched three critical zero-day SharePoint security flaws that have already been exploited by hackers to attack a larger number of vulnerable organizations. Responding to the exploits, ...