CVE-2017-8563 is an elevation of privilege vulnerability affecting numerous Microsoft Windows versions, including Windows 7 through 10 and various Windows Server editions. This flaw arises from Kerberos authentication falling back to the less secure NTLM protocol. With a CVSS score of 8.1 (High), it presents a significant risk, allowing remote attackers to achieve high impact on confidentiality, integrity, and availability with high attack complexity. While not listed in CISA's KEV catalog, its EPSS score indicates a higher than average probability of exploitation. There is no public exploit code available, but the vulnerability has garnered substantial community discussion and media coverage, highlighting its potential impact.
| 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:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.