High (8.8) in qnap. EPSS 0.7% chance of exploitation in the next 30 days.
A double free vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute arbitrary code via a network.
We have already fixed the vulnerability in the following version:
QTS 5.1.7.2770 build 20240520 and later
QuTS hero h5.1.7.2770 build 20240520 and later
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)