A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard, aka 'Windows Security Featu…

published 2019-03-05 7y ago modified 2026-06-17 4mo ago also EUVD-2019-1391

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

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-2019-0631, CVE-2019-0632.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0627 advisory

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Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Microsoft Windows
Microsoft Windows Server
Microsoft PowerShell Core

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2019-0627
patch, vendor-advisory
securityfocus.com /bid/106857
vdb-entry, third-party-advisory

Sources

CVE List CVE-2019-0627
NVD CVE-2019-0627

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.