CVE-2026-12778CWE-266CWE-284

AOMEI Partition Assistant Kernel Driver ampa10.sys access control

High · published June 21, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
5.1
In the wild
Unconfirmed
What it is

A vulnerability has been found in AOMEI Partition Assistant up to 10.10.1. This vulnerability affects unknown code in the library ampa10.sys of the component Kernel Driver. Such manipulation leads to improper access controls. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00162 · 5.1th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-06-21T05:00Z
EPSS history
Timeline
  • 21 JUN 05:00Z
    AOMEI Partition Assistant Kernel Driver ampa10.sys access control
    cvelistv5