CVE-2026-30896: Q-See Qsee Client

High severity, CVSS 8.4. EPSS: 0.2% chance of exploitation in the next 30 days.

The installer for Qsee Client versions 1.0.1 and prior insecurely load Dynamic Link Libraries (DLLs). When a user is directed to place some malicious DLL to the same directory and execute the affected installer, then arbitrary code may be executed with the administrative privilege.

Affected products

• Q-See Qsee Client: up to and including 1.0.1

Published 2026-03-09. Last modified 2026-06-17.