CVE-2018-8320

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

A security feature bypass vulnerability exists in DNS Global Blocklist feature, aka "Windows DNS Security Feature Bypass Vulnerability." This affects Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Metrics

CVSS 3.0 4.3/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected software

VendorProductVersions
MicrosoftWindows Server 2012 R2(Server Core installation)
MicrosoftWindows Server 200832-bit Systems Service Pack 2; 32-bit Systems Service Pack 2 (Server Core installation); Itanium-Based Systems Service Pack 2; x64-based Systems Service Pack 2; x64-based Systems Service Pack 2 (Server Core installation)
MicrosoftWindows Server 2012(Server Core installation)
MicrosoftWindows Server 2019(Server Core installation)
MicrosoftWindows Server 2016(Server Core installation)
MicrosoftWindows Server 2008 R2Itanium-Based Systems Service Pack 1; x64-based Systems Service Pack 1; x64-based Systems Service Pack 1 (Server Core installation)
MicrosoftWindows 10Version 1607 for 32-bit Systems; Version 1607 for x64-based Systems; Version 1709 for 32-bit Systems; Version 1709 for x64-based Systems; Version 1803 for 32-bit Systems; Version 1803 for x64-based Systems; Version 1809 for 32-bit Systems; Version 1809 for x64-based Systems
MicrosoftWindows 10 Serversversion 1709 (Server Core Installation); version 1803 (Server Core Installation)

References

Timeline

Published
Oct 10, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-8320: Medium severity, CVSS 4.3 | Vulnix