Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-4962

Gravedad CVSS v4.0:
MEDIA
Tipo:
CWE-426 Ruta de búsqueda no confiable
Fecha de publicación:
27/03/2026
Última modificación:
29/04/2026

Descripción

*** Pendiente de traducción *** 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.

Impacto

Puntuación base 4.0
6.40
Gravedad 4.0
MEDIA
Puntuación base 3.x
7.00
Gravedad 3.x
ALTA
Puntuación base 2.0
6.00
Gravedad 2.0
MEDIA

Productos y versiones vulnerables

CPE Desde Hasta
cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:* 1.6.0.0 (incluyendo) 1.6.4.0 (incluyendo)