Type Confusion in Google Chromium - CVE-2026-17866
Published: July 30, 2026
Vulnerability identifier: #VU140321
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-17866
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Affected software:
Google Chromium
Google Chromium
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a type confusion error within the Tab component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a type confusion error and gain access to sensitive information.
How to mitigate CVE-2026-17866
Install update from vendor's website.