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Microsoft SharePoint servers under attack via zero-day vulnerability with no patch (CVE-2025-53770)
Malware and Vulnerabilities
July 21, 2025
helpnetsecurity
Attackers are leveraging CVE-2025-53770 to place a backdoor on vulnerable on-premises Microsoft SharePoint Servers and extract the systems’ security keys, allowing for a full takeover of the machines.
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Microsoft SharePoint
zero-day vulnerability
Zero-day Attacks
CVE-2025-53770
CVE-2025-49704
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