CVE-2021-34523: Microsoft Exchange Server Privilege Escalation Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.
Other sources
Microsoft Exchange Server Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2021-34523?
CVE-2021-34523 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Microsoft Exchange Server.
How severe is CVE-2021-34523?
CVE-2021-34523 has a severity rating of 9.8, which is considered critical.
Which software is affected by CVE-2021-34523?
CVE-2021-34523 affects Microsoft Exchange Server 2013, Microsoft Exchange Server 2016, and Microsoft Exchange Server 2019.
How can I fix CVE-2021-34523?
To fix CVE-2021-34523, you should apply the corresponding security patches provided by Microsoft for your specific version of Exchange Server.
Where can I find more information about CVE-2021-34523?
You can find more information about CVE-2021-34523 on the official Microsoft Security Response Center website and the Zero Day Initiative website.