CVE-2018-8304

high-risk
Published 2018-07-11

A denial of service vulnerability exists in Windows Domain Name System (DNS) DNSAPI.dll when it fails to properly handle DNS responses, aka "Windows DNSAPI Denial of Service Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Do I need to act?

!
20.2% chance of exploitation in next 30 days
EPSS score — higher than 80% 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
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (16)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/104617
Third Party Advisory http://www.securitytracker.com/id/1041262
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8304
Third Party Advisory http://www.securityfocus.com/bid/104617
Third Party Advisory http://www.securitytracker.com/id/1041262
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8304
50
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 14/34 · Moderate
Exposure 18/34 · Moderate