What is CVE-2026-9872?

CVE-2026-9872 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.6/10. Published 2026-05-28.

How severe is CVE-2026-9872?

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

Buffer overflow in Google Android

CVE-2026-9872

Out of bounds write in GPU in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Vulnerability class: Buffer Overflow

Published 2026-05-28 · last modified 2026-07-21.

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 (31.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% 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 Android
Google Chrome — versions 148.0.7778.216

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304… (Release Notes)
issues.chromium.org/issues/505077859 (Permissions Required)

Frequently asked questions

What is CVE-2026-9872?: CVE-2026-9872 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.6/10. Published 2026-05-28.
How severe is CVE-2026-9872?: Critical severity. CVSS v3 base score is 9.6 out of 10.