Auth bypass in Google Chrome
CVE-2026-87552
Missing authorization in TrustedWebActivities in Google Chrome on on Android prior to 153.0.8010.36 allowed a local attacker to obtain sensitive information via a co-installed app. (Chromium security severity: High)
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145… (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/547426657 (Permissions Required)
Frequently asked questions
- What is CVE-2026-87552?
- CVE-2026-87552 is a medium-severity vulnerability in Google Chrome, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-09-09.
- How severe is CVE-2026-87552?
- Medium severity. CVSS v3 base score is 5.5 out of 10.