CVE-2026-3787

Published: Mar 08, 2026 Last Modified: Mar 10, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,3
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,0
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,0
Source: [email protected]
Access Vector: local
Access Complexity: high
Authentication: single
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0001
Percentile
0,0th
Updated

EPSS Score Trend (Last 7 Days)

426

Untrusted Search Path

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Access Control
Potential Impacts:
Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Read Files Or Directories
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
427

Uncontrolled Search Path Element

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
View CWE Details
Application

Ultravnc by Uvnc

Product Information
Vendor Uvnc
Product Ultravnc
Version 1.6.4.0
cpe:2.3:a:uvnc:ultravnc:1.6.4.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://drive.google.com/file/d/14ixv_1i4D2VrZWyl4RKsvFcN1A…
https://drive.google.com/file/d/14ixv_1i4D2VrZWyl4RKsvFcN1AMF_qNx/view
https://vuldb.com/?ctiid.349754
https://vuldb.com/?ctiid.349754
https://vuldb.com/?id.349754
https://vuldb.com/?id.349754
https://vuldb.com/?submit.767257
https://vuldb.com/?submit.767257