What is CVE-2026-93372?

CVE-2026-93372 is a critical-severity vulnerability in Google Chrome, classified under Stack-based Buffer Overflow. CVSS score: 9.6/10. Published 2026-09-17.

How severe is CVE-2026-93372?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Buffer overflow in Google Chrome

CVE-2026-93372

Buffer overflow in WebGL in Google Chrome on on Android prior to 153.0.8010.52 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Vulnerability class: Buffer Overflow

Published 2026-09-17 · last modified 2026-09-21.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (37.3th percentile), scored 2026-11-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% 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-121 — Stack-based Buffer Overflow

References

chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/548085797 (Permissions Required)

Frequently asked questions

What is CVE-2026-93372?: CVE-2026-93372 is a critical-severity vulnerability in Google Chrome, classified under Stack-based Buffer Overflow. CVSS score: 9.6/10. Published 2026-09-17.
How severe is CVE-2026-93372?: Critical severity. CVSS v3 base score is 9.6 out of 10.