CVE-2021-26412: Microsoft Exchange Server Remote Code Execution Vulnerability
Published Mar 2, 2021
·Updated
Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26854, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078.
Affected Software
5 affected components
Microsoft Exchange Server=2013-cumulative_update_23
Microsoft Exchange Server=2016-cumulative_update_18
Microsoft Exchange Server=2016-cumulative_update_19
Microsoft Exchange Server=2019-cumulative_update_7
Microsoft Exchange Server=2019-cumulative_update_8
Remediation
Event History
Mar 2, 2021
CVE Published
11:55 PM
Data Sourced
11:55 PM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2021-26412?
CVE-2021-26412 has been rated as critical due to its potential for remote code execution.
2
How do I fix CVE-2021-26412?
To fix CVE-2021-26412, apply the latest security updates provided by Microsoft for your version of Exchange Server.
3
What are the affected versions listed under CVE-2021-26412?
CVE-2021-26412 affects Microsoft Exchange Server 2013 CU23, 2016 CU18 and CU19, and 2019 CU7 and CU8.
4
Can CVE-2021-26412 be exploited remotely?
Yes, CVE-2021-26412 can be exploited remotely without authentication, making it particularly dangerous.
5
Are there any known exploits for CVE-2021-26412?
Yes, there are known exploits in the wild that target CVE-2021-26412, emphasizing the urgency to apply patches.