Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks
BLUF
CISA mandates immediate patching for an actively exploited Microsoft SharePoint vulnerability affecting federal agencies.
NEWS
CISA added CVE-2026-65660 to its Known Exploited Vulnerabilities catalog on September 27 due to active exploitation in the wild. Federal agencies are required to remediate this flaw by September 28 to maintain compliance with security directives.
Why I Care
This vulnerability allows attackers to compromise SharePoint servers, potentially leading to data theft or ransomware deployment. Both federal entities and private organizations using SharePoint face significant risk if left unpatched during active exploitation campaigns.
Next Steps
System administrators should apply the latest Microsoft security updates immediately. Federal agencies must verify patching compliance by September 28, while all other organizations should prioritize this update within 24 hours.
Source: Security Week ·