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CVE-2026-3787

HIGH

7.0

Descricao

A weakness has been identified in UltraVNC 1.6.4.0 on Windows. This affects an unknown function in the library cryptbase.dll of the component Windows Service. This manipulation causes uncontrolled search path. The attack requires local access. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Detalhes CVE

Pontuacao CVSS v3.17.0

SeveridadeHIGH

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado3/8/2026

Ultima modificacao3/10/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

microsoft:windowsuvnc:ultravnc

Fraquezas (CWE)

CWE-426CWE-427CWE-426

Referencias

https://drive.google.com/file/d/14ixv_1i4D2VrZWyl4RKsvFcN1AMF_qNx/view(cna@vuldb.com)

https://vuldb.com/?ctiid.349754(cna@vuldb.com)

https://vuldb.com/?id.349754(cna@vuldb.com)

https://vuldb.com/?submit.767257(cna@vuldb.com)

Correlacoes IOC

Sem correlacoes registradas

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