CVE-2025-3066: High Use after free in Site Isolation.
Chromium: CVE-2025-3066 Use after free in Site Isolation
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Use after free in Site Isolation in Google Chrome prior to 135.0.7049.84 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
— NVD
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-3066?
CVE-2025-3066 has a high severity ranking due to its potential for allowing remote attackers to exploit heap corruption.
How do I fix CVE-2025-3066?
To fix CVE-2025-3066, upgrade to Google Chrome version 135.0.7049.52 or later.
What does CVE-2025-3066 affect?
CVE-2025-3066 affects Google Chrome versions prior to 135.0.7049.52.
What type of vulnerability is CVE-2025-3066?
CVE-2025-3066 is classified as a use after free vulnerability in Google Chrome.
Can CVE-2025-3066 be exploited remotely?
Yes, CVE-2025-3066 can be exploited by remote attackers via a specially crafted HTML page.