CVE-2021-26412

Microsoft Exchange Server Remote Code Execution Vulnerability

CVE-2021-26412 is fixed in 5 products on 1 platform, first by KB5000871, released March 10, 2021. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
9.1
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.3376
98th percentile

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Exchange Server 2013 Cumulative Update 23 KB5000871 Mar 10, 2021
Microsoft Exchange Server 2016 Cumulative Update 18 KB5000871 Mar 10, 2021
Microsoft Exchange Server 2016 Cumulative Update 19 KB5000871 Mar 10, 2021
Microsoft Exchange Server 2019 Cumulative Update 7 KB5000871 Mar 10, 2021
Microsoft Exchange Server 2019 Cumulative Update 8 KB5000871 Mar 10, 2021

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