What is CVE-2026-15770?

CVE-2026-15770 is a medium-severity vulnerability in Google Chrome, classified under CWE-457. CVSS score: 6.5/10. Published 2026-07-14.

How severe is CVE-2026-15770?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Google Chrome

CVE-2026-15770

Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Published 2026-07-14 · last modified 2026-07-15.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.0th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.0% 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 150.0.7871.125

Weakness classification (CWE)

CWE-457

References

chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/524792614 (Permissions Required)

Frequently asked questions

What is CVE-2026-15770?: CVE-2026-15770 is a medium-severity vulnerability in Google Chrome, classified under CWE-457. CVSS score: 6.5/10. Published 2026-07-14.
How severe is CVE-2026-15770?: Medium severity. CVSS v3 base score is 6.5 out of 10.