CVE-2026-0138

In lwis_io_buffer_write of lwis_io_buffer.c, there is a possible out of bounds write due to memory corruption

High · published June 16, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
0.1
In the wild
Unconfirmed
What it is

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.

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
0.00073 · 0.1th percentile
Published
2026-06-16T18:51Z
EPSS history
Timeline
  • 16 JUN 18:51Z
    In lwis_io_buffer_write of lwis_io_buffer.c, there is a possible out of bounds write due to memory corruption
    cvelistv5