Vulnerability in Microsoft Internet Explorer
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".
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.153 (96.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.153 · newest: 0.153 · change: 0.000
Affected products
- Microsoft Internet Explorer — versions 11
- Microsoft Windows 10 — versions 1511, 1607
- Microsoft Windows Server 2016
- Microsoft Corporation Internet Explorer — versions Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8625 (Patch, Vendor Advisory)
- posts.specterops.io/umci-vs-internet-explorer-exploring-cve-2017-8625-3946536c6… (Exploit, Third Party Advisory)
- www.securityfocus.com/bid/100063 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1039112 (VDB Entry, Third Party Advisory, vdb-entry)
- oddvar.moe/2017/08/13/bypassing-device-guard-umci-using-chm-cve-2017-8625/
Frequently asked questions
- What is CVE-2017-8625?
- CVE-2017-8625 is a high-severity vulnerability in Microsoft Internet Explorer, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2017-08-08.
- How severe is CVE-2017-8625?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-8625 known to be exploited?
- 90 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.