Description

A weakness has been identified in UltraVNC 1.6.4.0 on Windows. This affects an unknown function in the library cryptbase.dll of the component Windows Service. This manipulation causes uncontrolled search path. The attack requires local access. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

INFO

Published Date :

2026-03-08T23:02:06.940Z

Last Modified :

2026-03-08T23:02:06.940Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3787 vulnerability.

Vendors Products
Ultravnc
  • Ultravnc
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3787.

URL Resource
https://drive.google.com/file/d/14ixv_1i4D2VrZWyl4RKsvFcN1AMF_qNx/view cve-icon cve-icon
https://vuldb.com/?ctiid.349754 cve-icon cve-icon
https://vuldb.com/?id.349754 cve-icon cve-icon
https://vuldb.com/?submit.767257 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Detailed values of each vector for above chart.
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact