[CVE-2026-107782] System Informer before 4.0.26241.138 contains an incorrect authorization vulnerability in the phsvc …

Descripción técnica

System Informer before 4.0.26241.138 contains an incorrect authorization vulnerability in the phsvc helper that allows local attackers to reach privileged APIs by connecting from any Authenticode-signed process. Attackers can load code into a Microsoft-signed host like rundll32.exe, connect to SiSvcApiPort, and call PhSvcApiCreateService to execute code as SYSTEM.

Puntuación CVSS

Score: 7.8/10 — Severidad: HIGH — Estado NIST: Awaiting Analysis

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

Debilidades (CWE)

CWE-863

Fuente oficial

Publicado en NIST NVD.