CVE-2017-11781 is a denial of service vulnerability affecting Microsoft Server Message Block (SMB) across various Windows operating systems, including Windows 7, 8.1, 10, and several Windows Server versions. An unauthenticated attacker can exploit this by sending specially crafted requests to the server, leading to a denial of service. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with no user interaction required, resulting in high availability impact. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it received media coverage during Microsoft's October Patch Tuesday and has some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | ||
1511CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* | ||
1607CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | ||
1703CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:* |
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.