What is CVE-2023-4860?

CVE-2023-4860 is a critical-severity vulnerability in Google Chrome, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 9.6/10. Published 2024-07-16.

How severe is CVE-2023-4860?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Google Chrome

CVE-2023-4860

Inappropriate implementation in Skia in Google Chrome prior to 115.0.5790.98 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Published 2024-07-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.3% 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

Google Chrome — versions 115.0.5790.98

Weakness classification (CWE)

CWE-303 — Incorrect Implementation of Authentication Algorithm

References

chromereleases.googleblog.com/2023/07/stable-channel-update-for-desktop.html (Release Notes)
issues.chromium.org/issues/40064341 (Permissions Required)

Frequently asked questions

What is CVE-2023-4860?: CVE-2023-4860 is a critical-severity vulnerability in Google Chrome, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 9.6/10. Published 2024-07-16.
How severe is CVE-2023-4860?: Critical severity. CVSS v3 base score is 9.6 out of 10.