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Microsoft released an advisory for CVE-2025-53770, a critical Remote Code Execution (RCE) vulnerability affecting on-premise SharePoint servers. This vulnerability has been exploited in the wild as a zero-day by an unknown threat actor prior to the disclosure from Microsoft. The Read More …
On July 19–20, 2025, various security companies and national CERTs published alerts about active exploitation of on-premise SharePoint servers. According to the reports, observed attacks did not require authentication, allowed attackers to gain full control over the infected servers, and Read More …
Expanded analysis and threat intelligence from Microsoft continued monitoring of exploitation activity by Storm-2603 leading to the deployment of Warlock ransomware. Based on new information, we have updated the Attribution, Indicators of compromise, extended and clarified Mitigation and protection guidance Read More …
Security researchers say hackers have breached at least 400 organizations by exploiting a zero-day vulnerability in Microsoft SharePoint, signaling a sharp rise in the number of detected compromises since the bug was discovered last week. Eye Security, a Dutch cybersecurity Read More …
Microsoft has released an urgent patch to fix a zero-day vulnerability affecting on-premises SharePoint servers. The vulnerability is already being exploited in the wild, which is why users are urged to apply the patch immediately and secure their assets. Three Read More …
