Active exploitation of vulnerability affecting Microsoft Office SharePoint Server products in the UK
<p>Microsoft has published a <a class="standard" href="https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulnerability-cve-2025-53770/" target="_blank" rel="noopener">security advisory</a> detailing a vulnerability affecting on-premises SharePoint Server instances.</p><p>This vulnerability allows an attacker to remotely execute arbitrary code via the deserialisation…