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- Customer guidance for SharePoint vulnerability CVE-2025-53770
Microsoft has released security updates that fully protect customers using all supported versions of SharePoint affected by CVE-2025-53770 and CVE-2025-53771 Customers should apply these updates immediately to ensure they’re protected
- Guidance for Microsoft SharePoint vulnerability CVE-2025-53770
Microsoft has released security updates that fully protect customers using SharePoint Subscription Edition and SharePoint 2019 against the risks posed by CVE-2025-53770, and CVE-2025-53771 Customers should apply these updates immediately to ensure they’re protected
- Disrupting active exploitation of on-premises SharePoint vulnerabilities
Microsoft has released security updates that fully protect customers using all supported versions of SharePoint affected by CVE-2025-53770 and CVE-2025-53771 Customers should apply these updates immediately
- UPDATE: Microsoft Releases Guidance on Exploitation of SharePoint . . .
Update (07 22 2025): This Alert was updated to reflect newly released information from Microsoft, and to correct the actively exploited Common Vulnerabilities and Exposures (CVEs), which have been confirmed as CVE-2025-49706 , a network spoofing vulnerability, and CVE-2025-49704 , a remote code execution (RCE) vulnerability
- IMPORTANT: Active attacks targeting on-premises SharePoint Server . . .
Microsoft has released security updates on July 20th that fully protect customers using SharePoint Subscription Edition and SharePoint 2019 against the risks posed by CVE-2025-53770, and CVE-2025-53771 Customers should apply these updates immediately to ensure they’re protected
- Vulnerability impacting Microsoft SharePoint Server (CVE-2025-53770 . . .
Additionally, the Cyber Centre strongly recommends that organizations follow Microsoft customer guidance for mitigation advice: Use or upgrade to supported versions of on-premises Microsoft SharePoint Server
- SharePoint Vulnerabilities (CVE-2025-53770 CVE-2025-53771 . . .
Microsoft has issued urgent guidance following the discovery of two zero-day vulnerabilities affecting on-premises Microsoft SharePoint servers, identified as CVE-2025-53770 and CVE-2025-53771 These vulnerabilities are actively being exploited in the wild
- SharePoint CVE-2025-53770: What You Need to Know Now
For information on detection, prevention, and advanced threat hunting measures, see Microsoft’s Customer Guidance for SharePoint Vulnerability and advisory for CVE-2025-49706
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