CVE-2026-4962

MEDIUM EPSS 13.6%
Published Mar 27, 20263mo ago · Modified Jun 17, 20262w ago
6.4 CVSS 4.0
Medium
Find Similar
Published Mar 27, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

A security flaw has been discovered in UltraVNC up to 1.6.4.0. Affected by this issue is some unknown functionality in the library version.dll of the component Service. The manipulation results in uncontrolled search path. The attack needs to be approached locally. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score
6.4
Exploitability
—
Impact
—
Vector string
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
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
13.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-426
CWE-427

Affected Products 1

VendorProductVersionRange
uvncultravnc*≥1.6.0.0  –  ≤1.6.4.0

References 4

  • drive.google.com https://drive.google.com/file/d/1QC-MrqGsfjr4phEN77krLFZHQN8S48U_/view
    Permissions Required
  • vuldb.com https://vuldb.com/?ctiid.353839
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.353839
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.777619
    ExploitThird Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.