CVE-2018-8320
Windows DNS Security Feature Bypass Vulnerability
CVE-2018-8320 is fixed in 26 products on 1 platform, first by KB4462917, released October 9, 2018. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
4.3
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0465
91st percentile
<p>A security feature bypass vulnerability exists in DNS Global Blocklist feature.</p> <p>An attacker who successfully exploited this vulnerability could redirect traffic to malicious DNS endpoints.</p> <p>The update addresses the vulnerability by updating DNS Server Role record additions to not bypass the Global Query Blocklist.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.2551 | KB4462917 | Oct 9, 2018 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2551 | KB4462917 | Oct 9, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.726 | KB4462918 | Oct 9, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.726 | KB4462918 | Oct 9, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.345 | KB4462919 | Oct 9, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.345 | KB4462919 | Oct 9, 2018 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.55 | KB4464330 | Oct 9, 2018 |
| Windows 10 Version 1809 for x64-based Systems | 17763.55 | KB4464330 | Oct 9, 2018 |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4462915 | Oct 9, 2018 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4462923 | Oct 9, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4462915 | Oct 9, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4462923 | Oct 9, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4462915 | Oct 9, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4462923 | Oct 9, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4463097 | Oct 9, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4463104 | Oct 9, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4463097 | Oct 9, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4463104 | Oct 9, 2018 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4463097 | Oct 9, 2018 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4463104 | Oct 9, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4463097 | Oct 9, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4463104 | Oct 9, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4463097 | Oct 9, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4463104 | Oct 9, 2018 | |
| Windows Server 2012 | KB4462931 | Oct 9, 2018 | |
| Windows Server 2012 | KB4462929 | Oct 9, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4462931 | Oct 9, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4462929 | Oct 9, 2018 | |
| Windows Server 2012 R2 | KB4462941 | Oct 9, 2018 | |
| Windows Server 2012 R2 | KB4462926 | Oct 9, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4462941 | Oct 9, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4462926 | Oct 9, 2018 | |
| Windows Server 2016 | 14393.2551 | KB4462917 | Oct 9, 2018 |
| Windows Server 2016 (Server Core installation) | 14393.2551 | KB4462917 | Oct 9, 2018 |
| Windows Server 2019 | 17763.55 | KB4464330 | Oct 9, 2018 |
| Windows Server 2019 (Server Core installation) | 17763.55 | KB4464330 | Oct 9, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.726 | KB4462918 | Oct 9, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.345 | KB4462919 | Oct 9, 2018 |