ShellCodeX Intelligence Brief
CRITICAL
Cybersecurity
CISA flags active exploitation of Microsoft SharePoint RCE patched in May
Source headline: CISA: Microsoft SharePoint RCE flaw now actively exploited
Threat level
Critical
Signal strength
75/100
Source confidence
1 source
Published
1 hour ago
Intelligence Summary
CISA says a high-severity Microsoft SharePoint remote code execution flaw, fixed in May, is now being actively exploited. Attackers can leverage the vulnerability to run code on affected systems. The issue impacts organizations using vulnerable SharePoint deployments. Exploitation increases the likelihood of follow-on compromise such as data theft or persistence. Admins should confirm the May patch has been applied and review exposure in edge and internet-facing SharePoint environments.
Recommended Action
Prioritize immediate review, validate exposure, and patch or mitigate affected systems.
Topics
Original reporting
BleepingComputer
CISA: Microsoft SharePoint RCE flaw now actively exploited
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