Tag: Microsoft Sharepoint

  • Hackers exploit new Microsoft SharePoint JWT flaw in attacks

    Hackers exploit new Microsoft SharePoint JWT flaw in attacks

    A proof-of-concept exploit for a critical Microsoft SharePoint vulnerability is already being used in attacks, only a day after Rapid7 published technical details and exploit code. The flaw allows unauthenticated attackers to impersonate SharePoint users or administrators and access or modify data. Exploit code targets SharePoint authentication bypass The vulnerability, tracked as CVE-2026-55040, affects the…

  • Microsoft SharePoint Vulnerability Targets Over 90 Local Governments, Group Says

    Microsoft SharePoint Vulnerability Targets Over 90 Local Governments, Group Says

    A wave of cyberattacks targeting a Microsoft SharePoint vulnerability has now reached more than 90 state and local governments across the United States. According to the Center for Internet Security (CIS), a nonprofit that supports local authorities in responding to cyber threats, attackers have launched widespread scanning and intrusion attempts exploiting this critical flaw. CIS…