Critical severity9.8NVD Advisory· Published Dec 12, 2018· Updated Jun 17, 2026

CVE-2018-8626

Description

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.

Affected products

Microsoft/Windows Server 2003llm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: version 1709 (Server Core Installation)
Microsoft/Windows 10 1909cpe-rescue
Range: Version 1607 for 32-bit Systems
Microsoft/Windows Server 2012cpe-rescue
Range: (Server Core installation)
Microsoft/Windows Server 2016cpe-rescue
Range: (Server Core installation)
Microsoft/Windows Server 2019cpe-rescue
Range: (Server Core installation)

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8626nvdPatchVendor Advisory
www.securityfocus.com/bid/106076nvdThird Party AdvisoryVDB Entry

News mentions

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