CVE-2018-8126

8.8 highEPSS 5.5%

A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies, aka "Internet Explorer Security Feature Bypass Vulnerability." This affects Internet Explorer 11.

Severity

CVSS 3.0

8.8 high

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

EPSS: 5.5% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
Published: 2018-05-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:internet_explorer

References

http://www.securityfocus.com/bid/103997
http://www.securitytracker.com/id/1040846
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8126
http://www.securityfocus.com/bid/103997
http://www.securitytracker.com/id/1040846

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