CVE-2026-3787 identifies an uncontrolled search path vulnerability in UltraVNC 1.6.4.0 on Windows, specifically within the cryptbase.dll library of its Windows Service component. This high-severity flaw (CVSS 7.0) requires local access and a high degree of attack complexity, potentially leading to full compromise of confidentiality, integrity, and availability. While the vendor has not responded to disclosure, there is no evidence of active exploitation, nor are public exploits or Metasploit modules available. Community discussion is minimal, with only one mention across social media platforms.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.6.4.0CPE matchmatch criteria | cpe:2.3:a:uvnc:ultravnc:1.6.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.