What is CVE-2026-79220?

CVE-2026-79220 is a medium-severity vulnerability in Google Chrome, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-25.

How severe is CVE-2026-79220?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Google Chrome

CVE-2026-79220

Information leak in Network in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Information Disclosure

Published 2026-08-25 · last modified 2026-08-28.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.1th percentile), scored 2026-10-10.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Google Chrome

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176… (Release Notes)
issues.chromium.org/issues/522823211 (Permissions Required)

Frequently asked questions

What is CVE-2026-79220?: CVE-2026-79220 is a medium-severity vulnerability in Google Chrome, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-25.
How severe is CVE-2026-79220?: Medium severity. CVSS v3 base score is 5.3 out of 10.