CVE-2018-8420 is a remote code execution vulnerability in Microsoft XML Core Services (MSXML) that allows an attacker to execute arbitrary code when the parser processes specially crafted user input. This vulnerability impacts a wide range of Windows operating systems, including Windows 7, 8.1, 10, and various Windows Server versions. With a CVSS score of 8.8 (High), it presents a significant risk due to its low attack complexity (AC:L) and high potential for confidentiality, integrity, and availability compromise (C:H/I:H/A:H), though it requires user interaction (UI:R). While there is no evidence of active exploitation (KEV: No) or public exploit code (Metasploit, Nuclei, ExploitDB: None), the vulnerability has garnered notable community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | ||
1607CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | ||
1703CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* | ||
1709CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | ||
1803CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.