CVE-2026-87534

Missing Authorization in Chrome WebView Enables Remote Access via Crafted Traffic

Published Sep 9, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Missing authorization in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via crafted network traffic. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4790-1 chromium security update
Debian DSA Debian DSA DSA-6506-1 chromium security update
History
Type Values Removed Values Added
Title Missing Authorization in Chrome WebView Enables Remote Access via Crafted Traffic
Type Values Removed Values Added
Title Missing Authorization in Chrome WebView Allows Remote Privilege Escalation via Crafted Network Traffic
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

Type Values Removed Values Added
First Time appeared Google
Google android
Google chrome
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Vendors & Products Google
Google android
Google chrome
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Missing Authorization in Chrome WebView Allows Remote Privilege Escalation via Crafted Network Traffic
Type Values Removed Values Added
Description Missing authorization in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via crafted network traffic. (Chromium security severity: Medium)
Weaknesses CWE-862
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Sep 10, 2026, 6:16 PM
Reserved
Sep 8, 2026, 10:39 PM
Status
Modified
Published
Sep 9, 2026, 1:17 AM
Modified
Sep 10, 2026, 7:17 PM