CVE-2026-28634CWE-693

CVE-2026-28634

High · published September 8, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
0.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00101 · 0.8th percentile
Weakness
CWE-693 · Protection Mechanism Failure
Published
2026-09-08T23:17Z
Affected products (5)
ProductVersionsFixed in
google/androidall versions—
google/androidall versions—
google/androidall versions—
google/androidall versions—
google/androidall versions—
References (1)
https://source.android.com/docs/security/bulletin/2026/2026-09-01 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:16Z
    EPSS moved — → 0%
    epss
  • 08 SEP 18:05Z
    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
    cvelistv5