Local Privilege Escalation in AOMEI Partition Assistant by AOMEI
CVE-2026-12778

8.5HIGH

Key Information:

Vendor

Aomei

Status
Partition Assistant
Vendor
CVE Published:
21 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12778?

A local privilege escalation vulnerability exists in AOMEI Partition Assistant versions up to 10.10.1, impacting the ampa10.sys kernel driver. This flaw allows an attacker to manipulate code execution due to improper access controls, leading to unauthorized access within the system. Local exploitation is required to leverage this vulnerability. Despite early notification, the vendor has not addressed the disclosed issue, making this a pressing concern for users of the software.

Affected Version(s)

Partition Assistant 10.10.0

Partition Assistant 10.10.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-12778 - Proof of Concept

References

https://vuldb.com/vuln/372519
vdb-entry
https://vuldb.com/vuln/372519/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12778
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

winslow1984 (VulDB User)
VulDB CNA Team
.