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.
Published: 2026-09-08
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 11 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Unrestricted USSD Request

Thu, 10 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Unrestricted USSD Request

Thu, 10 Sep 2026 18:15:00 +0000

Type Values Removed Values Added
Title Android Local Privilege Escalation via USSD Request
Weaknesses CWE-284

Thu, 10 Sep 2026 15:30:00 +0000

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'}


Thu, 10 Sep 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android

Wed, 09 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
Title Android Local Privilege Escalation via USSD Request
Weaknesses CWE-284

Tue, 08 Sep 2026 18:30:00 +0000

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

cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published:

Updated: 2026-09-10T14:36:56.036Z

Reserved: 2026-03-02T19:11:13.943Z

Link: CVE-2026-28634

cve-icon Vulnrichment

Updated: 2026-09-10T14:36:50.446Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-08T19:17:55.080

Modified: 2026-09-10T15:17:31.617

Link: CVE-2026-28634

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T00:30:15Z

Weaknesses