CVE-2018-8225

Windows DNSAPI Remote Code Execution Vulnerability

CVE-2018-8225 is fixed in 31 products on 1 platform, first by KB4284880, released June 12, 2018. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
8.1
Critical
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.2460
97th percentile

<p>A remote code execution vulnerability exists in Windows <a href="https://technet.microsoft.com/en-us/library/security/dn848375.aspx#DNS">Domain Name System (DNS)</a> DNSAPI.dll when it fails to properly handle DNS responses. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the Local System Account.</p> <p>To exploit the vulnerability, the attacker would use a malicious DNS server to send corrupted DNS responses to the target.</p> <p>The update addresses the vulnerability by modifying how Windows DNSAPI.dll handles DNS responses.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.2312 KB4284880 Jun 12, 2018
Windows 10 Version 1607 for x64-based Systems 14393.2312 KB4284880 Jun 12, 2018
Windows 10 Version 1703 for 32-bit Systems 15063.1155 KB4284874 Jun 12, 2018
Windows 10 Version 1703 for x64-based Systems 15063.1155 KB4284874 Jun 12, 2018
Windows 10 Version 1709 for 32-bit Systems 16299.492 KB4284819 Jun 12, 2018
Windows 10 Version 1709 for x64-based Systems 16299.492 KB4284819 Jun 12, 2018
Windows 10 Version 1803 for 32-bit Systems 17134.112 KB4284835 Jun 12, 2018
Windows 10 Version 1803 for x64-based Systems 17134.112 KB4284835 Jun 12, 2018
Windows 10 for 32-bit Systems 10240.17889 KB4284860 Jun 12, 2018
Windows 10 for x64-based Systems 10240.17889 KB4284860 Jun 12, 2018
Windows 7 for 32-bit Systems Service Pack 1 KB4284826 Jun 12, 2018
Windows 7 for 32-bit Systems Service Pack 1 KB4284867 Jun 12, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4284826 Jun 12, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4284867 Jun 12, 2018
Windows 8.1 for 32-bit systems KB4284815 Jun 12, 2018
Windows 8.1 for 32-bit systems KB4284878 Jun 12, 2018
Windows 8.1 for x64-based systems KB4284815 Jun 12, 2018
Windows 8.1 for x64-based systems KB4284878 Jun 12, 2018
Windows RT 8.1 KB4284815 Jun 12, 2018
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4284826 Jun 12, 2018
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4284867 Jun 12, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4284826 Jun 12, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4284867 Jun 12, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4284826 Jun 12, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4284867 Jun 12, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 KB4230467 Jun 12, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB4230467 Jun 12, 2018
Windows Server 2008 for Itanium-Based Systems Service Pack 2 KB4230467 Jun 12, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 KB4230467 Jun 12, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4230467 Jun 12, 2018
Windows Server 2012 KB4284846 Jun 12, 2018
Windows Server 2012 KB4284855 Jun 12, 2018
Windows Server 2012 (Server Core installation) KB4284846 Jun 12, 2018
Windows Server 2012 (Server Core installation) KB4284855 Jun 12, 2018
Windows Server 2012 R2 KB4284815 Jun 12, 2018
Windows Server 2012 R2 KB4284878 Jun 12, 2018
Windows Server 2012 R2 (Server Core installation) KB4284815 Jun 12, 2018
Windows Server 2012 R2 (Server Core installation) KB4284878 Jun 12, 2018
Windows Server 2016 14393.2312 KB4284880 Jun 12, 2018
Windows Server 2016 (Server Core installation) 14393.2312 KB4284880 Jun 12, 2018
Windows Server, version 1709 (Server Core Installation) 16299.492 KB4284819 Jun 12, 2018
Windows Server, version 1803 (Server Core Installation) 17134.112 KB4284835 Jun 12, 2018

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