CVE-2018-8626

high-risk
Published 2018-12-12

A remote code execution vulnerability exists in Windows Domain Name System (DNS) servers when they fail to properly handle requests, aka "Windows DNS Server Heap Overflow Vulnerability." This affects Windows Server 2012 R2, Windows Server 2019, Windows Server 2016, Windows 10, Windows 10 Servers.

Do I need to act?

!
28.3% chance of exploitation in next 30 days
EPSS score — higher than 72% 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
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (9)

Affected Vendors

Microsoft

References (4)

Third Party Advisory http://www.securityfocus.com/bid/106076
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8626
Third Party Advisory http://www.securityfocus.com/bid/106076
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8626
62
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 15/34 · Moderate
Exposure 15/34 · Moderate