CVE-2018-8320

moderate-risk
Published 2018-10-10

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.

Do I need to act?

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12.4% chance of exploitation in next 30 days
EPSS score — higher than 88% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (13)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/105503
Third Party Advisory http://www.securitytracker.com/id/1041830
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8320
Third Party Advisory http://www.securityfocus.com/bid/105503
Third Party Advisory http://www.securitytracker.com/id/1041830
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8320
47
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 12/34 · Low
Exposure 17/34 · Moderate