CVE-2018-8226 is a denial of service vulnerability in the HTTP 2.0 protocol stack (HTTP.sys) affecting Windows 10 and Windows Server 2016. It allows an unauthenticated attacker to cause a denial of service by sending specially crafted HTTP 2.0 requests. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with no user interaction required, leading to high availability impact. There is no evidence of active exploitation, and public exploit code is not available, though it has received some community discussion and media coverage.
| 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:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.