What is CVE-2026-79069?

CVE-2026-79069 is a high-severity vulnerability in Google Chrome, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-08-25.

How severe is CVE-2026-79069?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Google Chrome

CVE-2026-79069

Memory corruption in Tint in Google Chrome on on Mac prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.6th percentile), scored 2026-10-10.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% 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

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/508638064 (Permissions Required)

Frequently asked questions

What is CVE-2026-79069?: CVE-2026-79069 is a high-severity vulnerability in Google Chrome, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-08-25.
How severe is CVE-2026-79069?: High severity. CVSS v3 base score is 8.8 out of 10.