What is CVE-2026-13852?

CVE-2026-13852 is a critical-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2026-06-30.

How severe is CVE-2026-13852?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Improper input validation in Google Android

CVE-2026-13852

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to bypass discretionary access control via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-06-30 · last modified 2026-07-02.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Google Android
Google Chrome — versions 150.0.7871.47

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/522560124 (Permissions Required)

Frequently asked questions

What is CVE-2026-13852?: CVE-2026-13852 is a critical-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2026-06-30.
How severe is CVE-2026-13852?: Critical severity. CVSS v3 base score is 9.1 out of 10.