7.8
HIGH CVSS 3.1
CVE-2026-12778
AOMEI Partition Assistant Kernel Driver ampa10.sys access control
Description

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.

INFO

Published Date :

June 21, 2026, 6:16 a.m.

Last Modified :

June 22, 2026, 6:24 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-12778 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Aomei partition_assistant
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Patch the Kernel Driver (ampa10.sys) to address improper access controls.
  • Update AOMEI Partition Assistant to the latest version.
  • Apply any available security patches for ampa10.sys.
  • Review and enforce access control policies.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-12778 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-12778 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-12778 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 22, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-12778', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-22T13:33:32.271119Z'}
  • New CVE Received by [email protected]

    Jun. 21, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:aomei:partition_assistant:*:*:*:*:*:*:*:*'], 'vendor': 'AOMEI', 'modules': ['Kernel Driver'], 'product': 'Partition Assistant', 'versions': [{'status': 'affected', 'version': '10.10.0'}, {'status': 'affected', 'version': '10.10.1'}]}]
    Added Description 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V2 (AV:L/AC:L/Au:S/C:C/I:C/A:C)
    Added CWE CWE-284
    Added CWE CWE-266
    Added Reference https://vuldb.com/cve/CVE-2026-12778
    Added Reference https://vuldb.com/submit/835607
    Added Reference https://vuldb.com/vuln/372519
    Added Reference https://vuldb.com/vuln/372519/cti
    Added Reference https://winslow1984.com/books/cve-collection/page/aomei-partition-assistant-10101-kernel-driver-ampa10sys-local-privilege-escalation
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.