SharePoint flaw exploited in the wild soon after proof of concept
Source headline: SharePoint Vulnerability Exploited Shortly After PoC Release
Intelligence Summary
A proof of concept for a SharePoint vulnerability was released and exploitation began shortly after. Microsoft patched the flaw in July. The US Cybersecurity and Infrastructure Security Agency warned the issue could be exploited in the wild. The report indicates the vulnerability moved quickly from proof to real-world use. If you run affected SharePoint deployments, ensure July security updates are applied as a priority.
Recommended Action
Inventory where SharePoint runs in your environment and treat this as an active remediation item. Until then, watch authentication and outbound traffic logs for the indicators described in the source. This signal rests on a single report, so corroborate it before acting on anything irreversible.