CVSS 3.1 Score 9.1 of 10 (high)


Published Mar 3, 2021
Updated: Feb 15, 2024
CWE ID 918


CVE-2021-26855, also known as ProxyLogon, is a critical vulnerability that affects Microsoft Exchange Server. It allows remote code execution, posing a high potential danger to organizations. The vulnerability has a CVSS score of 9.1, indicating its severity. The affected products include various versions of Microsoft Exchange Server. Remediation for this vulnerability involves applying the latest security updates and patches provided by Microsoft. Organizations should prioritize addressing this vulnerability to prevent unauthorized access and potential data breaches.

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