What is CVE-2026-79013?

CVE-2026-79013 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2026-08-25.

How severe is CVE-2026-79013?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Improper input validation in Google Chrome

CVE-2026-79013

Improper input validation in Sync in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via crafted network traffic. (Chromium security severity: Medium)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-08-25 · last modified 2026-08-27.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.5th percentile), scored 2026-10-10.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.003 · change: -0.002

Affected products

Google Chrome

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/513737209 (Permissions Required)

Frequently asked questions

What is CVE-2026-79013?: CVE-2026-79013 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2026-08-25.
How severe is CVE-2026-79013?: Medium severity. CVSS v3 base score is 5.9 out of 10.