Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to bypass Device Guard User Mode Code Integrity (UMCI) policies due to Internet Explorer failing to validate UMCI policies, aka "Internet Explorer Security Feature Bypass Vulnerability".
CVE-2017-8625
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 96.4%
- KEV
- Not listed
Published
August 8, 2017
Last Modified
May 13, 2026
References (10)
- secure@microsofthttp://www.securityfocus.com/bid/100063
- secure@microsofthttp://www.securitytracker.com/id/1039112
- secure@microsofthttps://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/
- secure@microsofthttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625
- secure@microsofthttps://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/100063
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039112
- af854a3a-2127-422b-91ae-364da2661108https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/
- af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625
- af854a3a-2127-422b-91ae-364da2661108https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442
All Vendor Advisories
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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.
Data Freshness Timeline
(refreshed 12× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2017-8625?
When was CVE-2017-8625 disclosed?
Is CVE-2017-8625 actively exploited?
What is the CVSS score of CVE-2017-8625?
How do I remediate CVE-2017-8625?
Dependency Blast Radius
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