High severity · published May 9, 2018
CVE-2018-8126
A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies, aka "Internet Explorer Security Feature Bypass…
8.8
CVSS
5.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.5% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IE
Internet Explorer · Microsoft
11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8126
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8126
Third Party Advisory
http://www.securityfocus.com/bid/103997
Third Party Advisory
http://www.securitytracker.com/id/1040846
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8126
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