Is CVE-2026-4962 actively exploited?

No active exploitation of CVE-2026-4962 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4962 be exploited remotely?

No. CVE-2026-4962 requires local access to exploit.

What is the CVSS score of CVE-2026-4962?

CVE-2026-4962 has a CVSS score of 7.0 (HIGH).

HOME VULNERABILITIESCVE-2026-4962

HIGH

CVE-2026-4962

CWE-426Published: March 27, 2026· Updated: Mar 30, 2026

7.0

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:0.2th

Official 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.

NVD Source

Technical Analysis

CVE-2026-4962 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.0.