Microsoft Releases Guidance on Exploitation of SharePoint Vulnerability (CVE-2025-53770)

Source: All CISA Advisories | Added:

A new remote code execution vulnerability, CVE-2025-53770, has been identified in on-premise SharePoint servers, allowing unauthorized access and exploitation by malicious actors. CISA has issued guidance to mitigate risks associated with this vulnerability, which is actively being exploited.

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Impact: SharePoint

In the Wild: Yes

Age: Newly disclosed

Remediation: Review Microsoft guidance, monitor specific POSTs, scan for certain IPs, update firewall rules, implement comprehensive logging, audit privileges.

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