CVE-2022-3075
Google Chromium Mojo Insufficient Data Validation Vulnerability
Google Chromium Mojo
Insufficient data validation in Mojo in Google Chrome prior to 105.0.5195.102 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 8 September 2022. US federal agencies were required to remediate it by 29 September 2022.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 5.8%, which is higher than 93.1% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Frequently asked questions
Is CVE-2022-3075 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2022-3075.
What does CVE-2022-3075 affect?
CVE-2022-3075 affects Google Chromium Mojo. Insufficient data validation in Mojo in Google Chrome prior to 105.0.5195.102 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
How severe is CVE-2022-3075?
CVE-2022-3075 is rated CRITICAL with a CVSS base score of 9.6. EPSS puts the probability of exploitation in the next 30 days at 5.8%, higher than 93.1% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 29 September 2022.
How should organisations respond to CVE-2022-3075?
Apply the vendor patch for Google Chromium Mojo as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.