SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-0631

A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard, aka 'Windows Security Feature Bypass Vulnerability'.

HIGH 7.8EPSS 1.33%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard, aka 'Windows Security Feature Bypass Vulnerability'. This CVE ID is unique from CVE-2019-0627, CVE-2019-0632.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.33% probability · 71th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
microsoft/powershell core · microsoft/windows 10 · microsoft/windows server 2016 · microsoft/windows server 2019
Source
secure@microsoft.com
EPSS trend
0%3%5%27 October 2026: 1.33%27 October 202627 October 2026

EPSS 1.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.