CVE•Published 2026-03-27•Modified 2026-04-29•0 articles on news•5 live references•NVD data

CVE-2026-4962Uvnc · Ultravnc

Vulnerability data via NVD (ingested)

CVSS v3.1

7.0

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 100% of all CVEs

Weaknesses (CWE)

CWE-426Untrusted Search Path CWE-427Uncontrolled Search Path Element

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.

Timeline

Published 2026-03-27

Modified 2026-04-29

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-4962

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Uvnc Ultravnc"

All exposed Uvnc Ultravnc instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Ultravnc"

HTTP body or banner mentions "Ultravnc" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-4962