VulnerabilityModified

CVE-2021-1652

Windows CSC Service Elevation of Privilege Vulnerability

HIGH 7.8EPSS 0.78%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Windows CSC Service Elevation of Privilege Vulnerability

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.78% probability · 54th percentile
CISA KEV: Not listed
Weakness: CWE-269
Affected: microsoft/windows 10 · 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
Source: secure@microsoft.com

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1652
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1652

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