What is CVE-2022-2742?

CVE-2022-2742 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.8/10. Published 2023-01-02.

How severe is CVE-2022-2742?

High severity. CVSS v3 base score is 8.8 out of 10.

Use After Free in Google Chrome

CVE-2022-2742

Use after free in Exosphere in Google Chrome on Chrome OS and Lacros prior to 104.0.5112.79 allowed a remote attacker who convinced a user to engage in specific UI interactions to potentially exploit heap corruption via crafted UI interactions. (Chrome security severity: High)

Vulnerability class: Race Condition

Published 2023-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.1th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

chromereleases.googleblog.com/2022/08/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
crbug.com/1319172 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2022-2742?: CVE-2022-2742 is a high-severity vulnerability in Google Chrome, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.8/10. Published 2023-01-02.
How severe is CVE-2022-2742?: High severity. CVSS v3 base score is 8.8 out of 10.