Description
A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input, aka "MS XML Remote Code Execution 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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 7 | 32-bit Systems Service Pack 1, x64-based Systems Service Pack 1 | — |
| Microsoft | Windows Server 2012 R2 | (Server Core installation) | — |
| Microsoft | Windows RT 8.1 | Windows RT 8.1 | — |
| Microsoft | Windows Server 2008 | 32-bit Systems Service Pack 2, 32-bit Systems Service Pack 2 (Server Core installation), Itanium-Based Systems Service Pack 2, x64-based Systems Service Pack 2, x64-based Systems Service Pack 2 (Server Core installation) | — |
| Microsoft | Windows Server 2012 | (Server Core installation) | — |
| Microsoft | Windows 8.1 | 32-bit systems, x64-based systems | — |
| Microsoft | Windows Server 2016 | (Server Core installation) | — |
| Microsoft | Windows Server 2008 R2 | Itanium-Based Systems Service Pack 1, x64-based Systems Service Pack 1, x64-based Systems Service Pack 1 (Server Core installation) | — |
| Microsoft | Windows 10 | 32-bit Systems, Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems, Version 1703 for 32-bit Systems, Version 1703 for x64-based Systems, Version 1709 for 32-bit Systems, Version 1709 for x64-based Systems, Version 1803 for 32-bit Systems, Version 1803 for x64-based Systems, x64-bas… | — |
| Microsoft | Windows 10 Servers | version 1709 (Server Core Installation), version 1803 (Server Core Installation) | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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idkwim/CVE-2018-8420 ★ 1 · Sep 12, 2018
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.