VulnerabilityModified

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…

HIGH 8.8EPSS 15.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 15.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

CVSS 3.0: 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 15.38% probability · 97th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-276
Affected: microsoft/internet explorer
Source: secure@microsoft.com

EPSS trend

EPSS moved from 13.5% on 21 September 2026 to 15.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.