CVE-2021-26858: Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
Other sources
Microsoft Exchange Server Remote Code Execution Vulnerability
— NVD
Affected Software
Remediation
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2021-26858?
CVE-2021-26858 is the identifier for the Microsoft Exchange Server Remote Code Execution Vulnerability.
What is the severity of CVE-2021-26858?
The severity of CVE-2021-26858 is critical.
How does CVE-2021-26858 impact Microsoft Exchange Server?
CVE-2021-26858 allows for remote code execution in Microsoft Exchange Server.
How can I protect my Microsoft Exchange Server from CVE-2021-26858?
To protect your Microsoft Exchange Server from CVE-2021-26858, apply the security updates provided by Microsoft.
Where can I find more information about CVE-2021-26858?
You can find more information about CVE-2021-26858 at the following link: [https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26858](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26858)