Critical Unpatched SharePoint Zero-Day Actively Exploited, Breaches 75+ Global Organizations

Source: The Hacker News | Added:

A critical zero-day vulnerability in Microsoft SharePoint Server, tracked as CVE-2025-53770, is being actively exploited in a large-scale campaign. This flaw has a high CVSS score of 9.8 and is related to a previously addressed spoofing bug.

Impact: Microsoft SharePoint Server

In the Wild: Yes

Age: Newly disclosed

Remediation: Not specified

CVE Zero-day Microsoft Vulnerability Patch

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