CVE-2018-8434 is an information disclosure vulnerability in Windows Hyper-V, affecting various Windows client and server operating systems, where improper input validation from an authenticated guest user can expose sensitive host information. With a CVSS score of 5.4 (Medium), this vulnerability requires high privileges on the guest OS and a network-adjacent attack vector, but could lead to significant confidentiality impact on the host. There is no evidence of active exploitation, public exploit code, or KEV listing, and community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* | ||
1607CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:* | ||
1703CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:x64:* | ||
1709CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:* | ||
1803CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.