What is CVE-2026-113169?

CVE-2026-113169 is a critical-severity vulnerability in Google Chrome, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.6/10. Published 2026-10-20.

How severe is CVE-2026-113169?

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

Buffer overflow in Google Chrome

CVE-2026-113169

Memory corruption in WebAppInstalls in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)

Vulnerability class: Buffer Overflow

Published 2026-10-20 · last modified 2026-10-22.

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 (33.1th percentile), scored 2026-10-22.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Google Chrome

Weakness classification (CWE)

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

References

chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0201866… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/562955271 (Permissions Required)

Frequently asked questions

What is CVE-2026-113169?: CVE-2026-113169 is a critical-severity vulnerability in Google Chrome, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.6/10. Published 2026-10-20.
How severe is CVE-2026-113169?: Critical severity. CVSS v3 base score is 9.6 out of 10.