CVE-2026-79286

Published Aug 25, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a co-installed app. (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-4771-1 chromium security update
Debian DSA Debian DSA DSA-6482-1 chromium security update
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Local Privilege Escalation via Missing Authorization in Chrome CustomTabs
Type Values Removed Values Added
First Time appeared Google android
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Vendors & Products Google android
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Local Privilege Escalation via Missing Authorization in Chrome CustomTabs
Type Values Removed Values Added
Description Missing authorization in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a co-installed app. (Chromium security severity: Medium)
Weaknesses CWE-862
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Aug 27, 2026, 3:58 AM
Reserved
Aug 25, 2026, 6:13 AM
Status
Analyzed
Published
Aug 25, 2026, 9:18 PM
Modified
Aug 27, 2026, 4:17 AM