CVE-2018-8549
Windows Security Feature Bypass Vulnerability
CVE-2018-8549 is fixed in 28 products on 1 platform, first by KB4467691, released November 13, 2018. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0118
67th percentile
<p>A security feature bypass exists when Windows incorrectly validates kernel driver signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed drivers into the kernel.</p> <p>In an attack scenario, an attacker could bypass security features intended to prevent improperly signed drivers from being loaded by the kernel.</p> <p>The update addresses the vulnerability by correcting how Windows validates kernel driver signatures.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.2608 | KB4467691 | Nov 13, 2018 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2608 | KB4467691 | Nov 13, 2018 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1446 | KB4467696 | Nov 13, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1446 | KB4467696 | Nov 13, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.785 | KB4467686 | Nov 13, 2018 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.785 | KB4467686 | Nov 13, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.785 | KB4467686 | Nov 13, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.407 | KB4467702 | Nov 13, 2018 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.407 | KB4467702 | Nov 13, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.407 | KB4467702 | Nov 13, 2018 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.134 | KB4467708 | Nov 13, 2018 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.134 | KB4467708 | Nov 13, 2018 |
| Windows 10 Version 1809 for x64-based Systems | 17763.134 | KB4467708 | Nov 13, 2018 |
| Windows 10 for 32-bit Systems | 10240.18036 | KB4467680 | Nov 13, 2018 |
| Windows 10 for x64-based Systems | 10240.18036 | KB4467680 | Nov 13, 2018 |
| Windows 8.1 for 32-bit systems | KB4467703 | Nov 13, 2018 | |
| Windows 8.1 for 32-bit systems | KB4467697 | Nov 13, 2018 | |
| Windows 8.1 for x64-based systems | KB4467703 | Nov 13, 2018 | |
| Windows 8.1 for x64-based systems | KB4467697 | Nov 13, 2018 | |
| Windows RT 8.1 | KB4467697 | Nov 13, 2018 | |
| Windows Server 2012 | KB4467701 | Nov 13, 2018 | |
| Windows Server 2012 | KB4467678 | Nov 13, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4467701 | Nov 13, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4467678 | Nov 13, 2018 | |
| Windows Server 2012 R2 | KB4467703 | Nov 13, 2018 | |
| Windows Server 2012 R2 | KB4467697 | Nov 13, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4467703 | Nov 13, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4467697 | Nov 13, 2018 | |
| Windows Server 2016 | 14393.2608 | KB4467691 | Nov 13, 2018 |
| Windows Server 2016 (Server Core installation) | 14393.2608 | KB4467691 | Nov 13, 2018 |
| Windows Server 2019 | 17763.134 | KB4467708 | Nov 13, 2018 |
| Windows Server 2019 (Server Core installation) | 17763.134 | KB4467708 | Nov 13, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.785 | KB4467686 | Nov 13, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.407 | KB4467702 | Nov 13, 2018 |