Google Chrome before 53.0.2785.113 does not ensure that the recipient of a certain IPC message is a valid RenderFrame or RenderWidget, which allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) or possibly have unspecified other impact by leveraging access to a renderer process, related to render_frame_host_impl.cc and render_widget_host_impl.cc, as demonstrated by a Password Manager message.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)