VulnerabilityModified

CVE-2021-38666

Remote Desktop Client Remote Code Execution Vulnerability

HIGH 8.8EPSS 15.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 15.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Remote Desktop Client Remote Code Execution Vulnerability

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 15.06% probability · 97th percentile
CISA KEV: Not listed
Affected: microsoft/windows 10 · microsoft/windows 11 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022
Source: secure@microsoft.com

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38666
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38666Patch, Vendor Advisory

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