Microsoft releases emergency patches for SharePoint RCE flaws exploited in attacks

Microsoft releases emergency patches for SharePoint RCE flaws exploited in attacks Lawrence Abrams July 21, 2025 12:41 AM 0 Microsoft has released emergency SharePoint security updates for two zero-day vulnerabilities tracked as CVE-2025-53770 and CVE-2025-53771 that have compromised services worldwide in "ToolShell" attacks. In May, during theBerlin Pwn2Own hacking contest, researchers exploited a zero-day vulnerability chain called "ToolShell," which enabled them to achieve remote code executi...