The Microsoft Device Guard on Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a security feature bypass by the way it handles Windows PowerShell sessions, aka "Microsoft Windows Security Feature Bypass".
CVE-2017-11823
MEDIUMNVD 6.76.7—Weaponized
EchelonGraph scoreMEDIUM confidence
Score 6.7 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 6.7; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 3%CVSS: 6.7Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.7
- EG Score
- 6.7(medium)
- EPSS
- 83.2%
- KEV
- Not listed
Published
October 13, 2017
Last Modified
May 13, 2026
References (8)
- secure@microsofthttp://www.securityfocus.com/bid/101102
- secure@microsofthttp://www.securitytracker.com/id/1039526
- secure@microsofthttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11823
- secure@microsofthttps://www.exploit-db.com/exploits/42997/
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/101102
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039526
- af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11823
- af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/42997/
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Frequently asked(5)
What is CVE-2017-11823?
CVE-2017-11823 is a medium vulnerability published on October 13, 2017. The Microsoft Device Guard on Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a security feature bypass by the way it handles Windows PowerShell sessions, aka "Microsoft Windows Security Feature Bypass".
When was CVE-2017-11823 disclosed?
CVE-2017-11823 was first published in the National Vulnerability Database on October 13, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-11823 actively exploited?
CVE-2017-11823 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-11823?
CVE-2017-11823 has a CVSS v3 base score of 6.7 (NVD).
How do I remediate CVE-2017-11823?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-11823, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-11823
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