VulnerabilityModified

CVE-2021-27076

Microsoft SharePoint Server Remote Code Execution Vulnerability

HIGH 8.8EPSS 14.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 14.43% probability · 96th percentile
CISA KEV: Not listed
Affected: microsoft/business productivity servers · microsoft/sharepoint foundation · microsoft/sharepoint server
Source: secure@microsoft.com

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27076
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27076Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-276/Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.