CVE-2018-8126
published 2018-05-09CVE-2018-8126: A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies, aka "Internet Explorer…
PriorityP346high8.8CVSS 3.0
AVNACLPRNUIRSUCHIHAH
EPSS
5.50%
92.8th percentile
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.
Affected
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | internet_explorer | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| microsoft | internet_explorer_11 | — | — |
| msrc | internet_explorer_11_on_windows_10_for_32-bit_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_for_x64-based_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1607_for_32-bit_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1607_for_x64-based_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1703_for_32-bit_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1703_for_x64-based_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1709_for_32-bit_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1709_for_x64-based_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1803_for_32-bit_systems | — | — |
| msrc | internet_explorer_11_on_windows_10_version_1803_for_x64-based_systems | — | — |
| msrc | internet_explorer_11_on_windows_server_2016 | — | — |
CVSS provenance
nvdv3.08.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
vendor_msrc5.3MEDIUM
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GHSA
GHSA-mv59-m2pm-94rh: A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies, aka "Internet Explor
ghsa_unreviewed·2022-05-13
CVE-2018-8126 [HIGH] GHSA-mv59-m2pm-94rh: A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies, aka "Internet Explor
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.
Microsoft
Internet Explorer Security Feature Bypass Vulnerability
vendor_msrc·2018-05-08·CVSS 5.3
CVE-2018-8126 [HIGH] Internet Explorer Security Feature Bypass Vulnerability
Internet Explorer Security Feature Bypass Vulnerability
Description: A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies. The vulnerability could allow an attacker to bypass Device Guard UMCI policies.
To exploit the vulnerability, a user could either visit a malicious website or an attacker with access to the system could run a specially crafted application. An attacker could then leverage the vulnerability to run unsigned malicious code as though it were signed by a trusted source.
The update addresses the vulnerability by correcting how Internet Explorer validates UMCI policies.
Internet Explorer: Internet Explorer
Impact: Security Feature Bypass
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Sof
No detection rules found.
Talos
Microsoft Patch Tuesday - May 2018
blogs_talos·2018-05-08·CVSS 7.5
[HIGH] Microsoft Patch Tuesday - May 2018
Today, Microsoft has released its monthly set of security advisories for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 67 new vulnerabilities, with 21 of them rated critical, 42 of them rated important, and four rated as low severity. These vulnerabilities impact Outlook, Office, Exchange, Edge, Internet Explorer and more.
In addition to the 67 vulnerabilities referenced above, Microsoft has also released a critical update advisory, ADV180008, which addresses the vulnerability CVE-2018-4944 described in the Adobe security bulletin APSB18-16.
### Critical Vulnerabilities
This month, Microsoft is addressing 21 vulnerabilities that are rated as critical. Talos believes one of these is notable and requires prompt attenti
Talos
Microsoft Patch Tuesday - May 2018
blogs_talos·2018-05-08·CVSS 7.5
[HIGH] Microsoft Patch Tuesday - May 2018
## Microsoft Patch Tuesday - May 2018
Today, Microsoft has released its monthly set of security advisories for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 67 new vulnerabilities, with 21 of them rated critical, 42 of them rated important, and four rated as low severity. These vulnerabilities impact Outlook, Office, Exchange, Edge, Internet Explorer and more.
In addition to the 67 vulnerabilities referenced above, Microsoft has also released a critical update advisory, ADV180008 , which addresses the vulnerability CVE-2018-4944 described in the Adobe security bulletin APSB18-16 .
## Critical Vulnerabilities
This month, Microsoft is addressing 21 vulnerabilities that are rated as critical. Talos believes one of thes
http://www.securityfocus.com/bid/103997http://www.securitytracker.com/id/1040846https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8126http://www.securityfocus.com/bid/103997http://www.securitytracker.com/id/1040846https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8126
2018-05-09
Published