SB2016051008 - Internet Explorer UMCI Bypass
Published: May 10, 2016
Security Bulletin ID
SB2016051008
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security bypass (CVE-ID: CVE-2016-0188)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerabiity allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to improper validation of code integrity by the User Mode Code Integrity (UMCI) component of Device Guard. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, bypass code-signing protection mechanism and execute a malicious code.
Successful exploitation of this vulnerability may result in arbitrary code execution on the vulnerable system.
Remediation
Install update from vendor's website.