Zero-day vulnerability in Google Chrome

Type confusion
CVE-2025-6554

Vulnerability details

Advisory: SB2025070105 - Remote code execution in Google Chrome

Vulnerable component: Google Chrome

CVE-ID: CVE-2025-6554

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-843 - Type confusion

Description:

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error in V8 engine. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild. 

External links:

https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.