SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11830

Device Guard in Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016, and Windows Server, version 1709 allows an attacker to make an unsigned file appear to be signed, due to a security feature bypass, aka "Device Guard Security Feature…

EXPLOIT ✓MEDIUM 5.3EPSS 2.57%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 2.6%. Treat it as high on anything reachable from the internet.

Description

Device Guard in Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016, and Windows Server, version 1709 allows an attacker to make an unsigned file appear to be signed, due to a security feature bypass, aka "Device Guard Security Feature Bypass Vulnerability".

CVSS 3.0
5.3 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS
2.57% probability · 85th percentile
Public exploits
1 in Exploit-DB · verified · first 20 November 2017
CISA KEV
Not listed
Weakness
CWE-367
Affected
microsoft/windows 10 · microsoft/windows server · microsoft/windows server 2016
Source
secure@microsoft.com
EPSS trend
0%3%5%27 October 2026: 2.57%27 October 202627 October 2026

EPSS 2.6% 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.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-43162source ↗Microsoft Windows 10 - CiSetFileCache TOCTOU Security Feature Bypasswindows · Google Security Researchlocal20 November 2017yes

References

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