In lwis_io_buffer_write of lwis_io_buffer.c, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

References

• https://nvd.nist.gov/vuln/detail/CVE-2026-0138
• https://source.android.com/docs/security/bulletin/pixel/2026/2026-06-01