CVE-2017-8625

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".

• CWE-276

• http://www.securityfocus.com/bid/100063Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039112Third Party Advisory, VDB Entry
• https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625Patch, Vendor Advisory
• https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442Exploit, Third Party Advisory
• http://www.securityfocus.com/bid/100063Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039112Third Party Advisory, VDB Entry
• https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625Patch, Vendor Advisory
• https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442Exploit, Third Party Advisory

Published

Aug 8, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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