CVE-2026-107782 — System Informer before 4.0.26241.138 Incorrect Authorization in phsvc ALPC Port
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 fro…
Published: 2026-10-08 · CVSS: 8.5 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7