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Vulnerability record · CVE-2017-8625 · published 8 August 2017

CVE-2017-8625: Microsoft internet explorer incorrect default permissions vulnerability

Microsoft · Internet Explorer

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".

8.8 CVSS 3.0 High EPSS 15% · top 3.3% CWE-276 · Incorrect default permissions
8.8CVSS 3.0 base score, v2 6.8
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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".

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/100063 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039112 Third Party AdvisoryVDB 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-2017-8625 PatchVendor Advisory
https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442 ExploitThird Party Advisory
http://www.securityfocus.com/bid/100063 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039112 Third Party AdvisoryVDB 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-2017-8625 PatchVendor Advisory
https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-8625), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.