Use After Free in Google Chrome

CVE-2026-79027

Use after free in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: High)

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-79027: held from 0.006 to 0.005.

EPSS over last 30 days · oldest: 0.006 · newest: 0.005 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-79027?
CVE-2026-79027 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.1/10. Published 2026-08-25.
How severe is CVE-2026-79027?
High severity. CVSS v3 base score is 8.1 out of 10.