Adobe Flash Player versions 25.0.0.127 and earlier have an exploitable use after free vulnerability in the ActionScript2 NetStream class. Successful exploitation could lead to arbitrary code execution.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
8.9% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)