What is CVE-2026-10973?

CVE-2026-10973 is a high-severity vulnerability in Google Chrome, classified under CWE-457. CVSS score: 7.4/10. Published 2026-06-04.

How severe is CVE-2026-10973?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Google Chrome

CVE-2026-10973

Uninitialized Use in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Published 2026-06-04 · last modified 2026-07-22.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Google Chrome — versions 149.0.7827.53

Weakness classification (CWE)

CWE-457

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html (Release Notes)
issues.chromium.org/issues/513042859 (Permissions Required)

Frequently asked questions

What is CVE-2026-10973?: CVE-2026-10973 is a high-severity vulnerability in Google Chrome, classified under CWE-457. CVSS score: 7.4/10. Published 2026-06-04.
How severe is CVE-2026-10973?: High severity. CVSS v3 base score is 7.4 out of 10.