How severe is CVE-2022-3075?

CVE-2022-3075 has a CVSS 3.1 base score of 9.6 (CRITICAL). EPSS estimates a 5.8% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2022-3075: Google Chromium Mojo Insufficient Data Validation

CISA Known Exploited Vulnerabilities

Google Chromium Mojo Insufficient Data Validation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-09-08

Remediation due

2022-09-29

Required action
Apply updates per vendor instructions.

CISA notes
https://chromereleases.googleblog.com/2022/09/stable-channel-update-for-desktop.html, https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-3075; https://nvd.nist.gov/vuln/detail/CVE-2022-3075

Description

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.

Severity

CVSS 3.1 · CISA9.6 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 14, 2026

All KEV statistics→

CISA added CVE-2022-3075 to the KEV catalog 18 days before its CVE record was published.
It is one of 75 Google entries in the CISA KEV catalog, and one of 21 added in 2022.
Its current EPSS score (5.8%) is higher than that of 20% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Google	Google Chrome	unspecified to <105.0.5195.102

References

4 Links

Vendor advisories

Other references

Record Details

Published

2022-09-26

Last updated

2025-10-21

Assigner (CNA)

Chrome

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.