CVE-2026-4962

High

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.

SeverityHigh
CVSS7.0
Exploit probability—
ProductUvnc Ultravnc
PublishedMar 27, 2026
First seenMar 27, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
uvnc ultravnc1.6.0.0 ≤ v ≤ 1.6.4.0—

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