CVE Catalog
CVE-2021-26854
MediumCVSS 6.6Exploitation Probability (EPSS)
Very high risk19.57%
97th percentile - higher than 97% of all known CVEs
Summary
Remote code execution vulnerability in Microsoft Exchange Server. An attacker can exploit this flaw to execute arbitrary code on the server.
Risk Assessment
Risk of full server compromise, potentially leading to data theft, malware installation, or service disruption.
Recommendation
Immediately install security updates for Microsoft Exchange Server.
Original NVD description (English source)
Microsoft Exchange Server Remote Code Execution Vulnerability