VDB-372519 · Submit #835607 · CVE-2026-12778

AOMEI Partition Assistant up to 10.10.1 Kernel Driver ampa10.sys access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1	$0-$5k	2.50

Summaryinfo

A vulnerability was found in AOMEI Partition Assistant up to 10.10.1. It has been rated as critical. This issue affects some unknown processing in the library ampa10.sys of the component Kernel Driver. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2026-12778. The attack must be initiated from a local position. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical has been found in AOMEI Partition Assistant up to 10.10.1. This affects an unknown function in the library ampa10.sys of the component Kernel Driver. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at winslow1984.com. This vulnerability is uniquely identified as CVE-2026-12778. The exploitability is told to be easy. Attacking locally is a requirement. Technical details and a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is shared for download at winslow1984.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

AOMEI

Name

Partition Assistant

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/20/2026 Advisory disclosed
06/20/2026 +0 days VulDB entry created
06/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: winslow1984.com
Status: Not defined

CVE: CVE-2026-12778 (🔒)
GCVE (CVE): GCVE-0-2026-12778
GCVE (VulDB): GCVE-100-372519
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/20/2026 11:41
Changes: 06/20/2026 11:41 (56)
Complete: 🔍
Submitter: winslow1984
Cache ID: 216::103

Submitinfo

Accepted

Submit #835607: AOMEI AOMEI Partition Assistant Kernel Driver ampa10.sys 10.10.1 Local Privilege Escapation (by winslow1984)