SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11899

Device Guard in Windows 10 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows a security feature bypass vulnerability due to the way untrusted files are handled, aka "Microsoft Windows Security Feature Bypass…

CRITICAL 9.8EPSS 5.84%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Device Guard in Windows 10 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows a security feature bypass vulnerability due to the way untrusted files are handled, aka "Microsoft Windows Security Feature Bypass Vulnerability".

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
5.84% probability · 93th percentile
CISA KEV
Not listed
Affected
microsoft/windows 10 · microsoft/windows server 2016
Source
secure@microsoft.com

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