SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-1552

An elevation of privilege vulnerability exists when the Windows Work Folder Service improperly handles file operations.

HIGH 8.0EPSS 2.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An elevation of privilege vulnerability exists when the Windows Work Folder Service improperly handles file operations. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The update addresses the vulnerability by correcting the way the Windows Work Folder Service handles file operations.

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
2.35% probability · 83th percentile
CISA KEV
Not listed
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

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