CVE-2021-40487

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-40487 is fixed in 3 products on 1 platform, first by KB5002029, released October 12, 2021. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
8.1
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.4821
98th percentile

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft SharePoint Enterprise Server 2016 KB5002029 Oct 12, 2021
Microsoft SharePoint Foundation 2013 Service Pack 1 KB5002042 Oct 12, 2021
Microsoft SharePoint Server 2019 KB5002028 Oct 12, 2021

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