Cybersecurity Headlines Critical SharePoint flaw, real-time cyberattack prevention, CISA's Intune warning
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Mar 20, 2026 A patched SharePoint deserialization flaw is now being actively exploited. A new endpoint platform promises real-time prevention by enforcing runtime OS protections. CISA urges securing Microsoft Intune after an admin compromise caused device wipes and data theft. Other briefings include an account takeover flaw in Ubiquiti, a Zimbra-targeted campaign, and fresh Android banking malware reports.
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Active Remote Code Execution Exploit In SharePoint
- A patched SharePoint vulnerability is actively exploited to achieve remote code execution without privileges.
- CISA says the flaw affects SharePoint Enterprise Server 2016/2019 and Subscription Edition and older unsupported 2007–2013 remain vulnerable and need upgrades.
Upgrade Unsupported SharePoint Versions Now
- Upgrade end-of-support SharePoint Server 2007–2013 to supported versions to stop attacks since they no longer receive security updates.
- Administrators of affected servers should apply the January patch or move to supported releases per CISA guidance.
Runtime Endpoint Defense That Works Offline
- First Protect announced an endpoint platform that blocks attacks at runtime by monitoring system behavior and user intent locally.
- The product enforces OS-level policies and claims to operate offline, analyzing attack destination and intent instead of cloud decisions.