In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request w...

platform/packages/services/Telephony Updated 07 Sep 2026

Summary

01/09/2026

Disclosed on

CVE-2026-28634

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2026-28634: 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. Affects platform/packages/services/Telephony across 6 version ranges.

>= 14:0, < 14:2026-09-01 >= 15:0, < 15:2026-09-01 >= 16:0, < 16:2026-09-01 >= 16-qpr2:0, < 16-qpr2:2026-09-01 >= 17:0, < 17:2026-09-01 >= 17-next:0, < 17-next:2026-09-01

Fixed in 17-next:2026-09-01. How to fix ↓

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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.