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  - SECURITYAFFAIRS.CO - A La Une - 21/Jul 07:27

SharePoint zero-day CVE-2025-53770 actively exploited in the wild

Microsoft warns of ongoing active exploitation of a SharePoint zero-day vulnerability, tracked as CVE-2025-53770. Microsoft warns of a SharePoint zero-day vulnerability, tracked as CVE-2025-53770 (CVSS score of 9.8), which is under active exploitation. Unfortunately, the flaw has yet to be addressed. The vulnerability is a deserialization of untrusted data in on-premises Microsoft SharePoint Server, an […]

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SharePoint zero-day CVE-2025-53770 actively exploited in the wild

securityaffairs.co - 21/Jul 07:27

Microsoft warns of ongoing active exploitation of a SharePoint zero-day vulnerability, tracked as CVE-2025-53770. Microsoft warns of a SharePoint...

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U.S. CISA urges to immediately patch Microsoft SharePoint flaw adding it to its Known Exploited Vulnerabilities catalog

securityaffairs.co - 21/Jul 12:39

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft SharePoint flaw to its Known Exploited Vulnerabilities catalog. The U.S....

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U.S. CISA urges to immediately patch Microsoft SharePoint flaw adding it to its Known Exploited Vulnerabilities catalog

securityaffairs.co - 21/Jul 12:39

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Microsoft issues emergency patches for SharePoint zero-days exploited in “ToolShell” attacks

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Microsoft issues emergency patches for SharePoint zero-days exploited in “ToolShell” attacks

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A critical zero-day vulnerability in Microsoft SharePoint, tracked as CVE-2025-53770, has been actively exploited since at least July 18th, with no...

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CISA adds CVE-2025-53770 SharePoint Vulnerability to KEV

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Summary A critical remote code execution (RCE) vulnerability has been discovered in Microsoft SharePoint Server (on-premises versions only). The...

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