CVE-2017-11899

Windows 10 vulnerability

CVSS

9.8

EPSS

5.8%

EPSS pct

92th

Exploited

No known

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".

Affected vendor

Microsoft

Affected product

Windows 10

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

2017-12-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2017-11899

Confirm whether Microsoft Windows 10 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-11899.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-11899

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-11899 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2017-11899?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2017-11899.

Start free scan

No credit card. Agentless.

Related vulnerabilities

CVE-2025-6440 vulnerability

CRITICAL

CVE-2025-55754

Tomcat vulnerability