CVE-2022-31466: Quickheal Total Security

High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days.

Time of Check - Time of Use (TOCTOU) vulnerability in Quick Heal Total Security prior to 12.1.1.27 allows a local attacker to achieve privilege escalation, potentially leading to deletion of system files. This is achieved through exploiting the time between detecting a file as malicious and when the action of quarantining or cleaning is performed, and using the time to replace the malicious file by a symlink.

Affected products

• Quickheal Total Security: before 12.1.1.27 (fixed in 12.1.1.27)

Published 2022-05-23. Last modified 2026-06-17.