Microsoft SharePoint Zero-Day Exploit Bypasses MFA, Patch Incomplete


Microsoft SharePoint Zero-Day Exploit Bypasses MFA, Patch Incomplete

azure.microsoft.com logo📅 - A critical zero-day vulnerability targeting Microsoft SharePoint Server installations is currently being exploited globally, prompting urgent warnings from cybersecurity experts. Identified as CVE-2025-53770, the flaw allows remote attackers to bypass identity safeguards - including multi-factor authentication - and gain system-level access.

From there, attackers can deploy malware, access sensitive files, and propagate laterally across an organization's Windows domain. Despite Microsoft's emergency patch issued on July 20, researchers say the fix does not fully mitigate the threat.

The vulnerability affects on-premises installations of Microsoft SharePoint Server, rather than [...][... Check source for end of article ...]
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Company: Microsoft Azure

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