CVE-2026-16762: qt 4.3.0 to before 6.8.9, 6.9.0 to before 6.11.2

Affected technology

qt · 4.3.0 to before 6.8.9, 6.9.0 to before 6.11.2
qt

Component: qtbase

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. Source advisory’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and integrity impact as none; availability impact as high.