CVE-2026-28634

Published Sep 8, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request without permission due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:*
cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:*
Type Values Removed Values Added
Title Local Privilege Escalation via Unrestricted USSD Request
Type Values Removed Values Added
Title Local Privilege Escalation via Unrestricted USSD Request
Type Values Removed Values Added
Title Android Local Privilege Escalation via USSD Request
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android
Type Values Removed Values Added
Title Android Local Privilege Escalation via USSD Request
Weaknesses CWE-284
Type Values Removed Values Added
Description In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request without permission due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Sep 10, 2026, 2:36 PM
Reserved
Mar 2, 2026, 7:11 PM
Status
Analyzed
Published
Sep 8, 2026, 7:17 PM
Modified
Sep 15, 2026, 2:03 PM