CVE-2017-8625 : Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows an attacker to bypass Device Guar

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".

Published 2017-08-08 21:29:01

Updated 2023-10-25 19:15:09

Source Microsoft Corporation

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2017-8625

EPSS FAQ

0.97%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 84 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-8625

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2017-8625

http://www.securitytracker.com/id/1039112

Microsoft Internet Explorer Policy Validation Flaw Lets Local Users Bypass User Mode Code Integrity Policy - SecurityTracker
Third Party Advisory;VDB Entry
https://posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6442

UMCI vs Internet Explorer: Exploring CVE-2017–8625 - Posts By SpecterOps Team Members
Exploit;Third Party Advisory
https://msitpros.com/?p=3909

Bypassing Device guard UMCI using CHM – CVE-2017-8625 – MSitPros Blog
Exploit;Third Party Advisory
https://oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/

Bypassing Device guard UMCI using CHM – CVE-2017-8625 – Oddvar Moe's Blog
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625

CVE-2017-8625 | Internet Explorer Security Feature Bypass Vulnerability
Patch;Vendor Advisory
http://www.securityfocus.com/bid/100063

Microsoft Internet Explorer CVE-2017-8625 Security Bypass Vulnerability
Third Party Advisory;VDB Entry

Products affected by CVE-2017-8625

Microsoft » Internet Explorer » Version: 11
cpe:2.3:a:microsoft:internet_explorer:11:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows 10 » Version: N/A
When used together with: Microsoft » Windows 10 » Version: 1511
When used together with: Microsoft » Windows 10 » Version: 1607
When used together with: Microsoft » Windows Server 2016 » Version: N/A

Vulnerability Details : CVE-2017-8625

Exploit prediction scoring system (EPSS) score for CVE-2017-8625

CVSS scores for CVE-2017-8625

CWE ids for CVE-2017-8625

References for CVE-2017-8625

Products affected by CVE-2017-8625