AOMEI Backupper up to 8.3.0 Kernel Driver amwrtdrv.sys access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k1.24

Summaryinfo

A vulnerability identified as critical has been detected in AOMEI Backupper up to 8.3.0. The affected element is an unknown function in the library amwrtdrv.sys of the component Kernel Driver. The manipulation leads to access control. This vulnerability is documented as CVE-2026-12780. The attack needs to be performed locally. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, has been found in AOMEI Backupper up to 8.3.0. This issue affects some unknown functionality in the library amwrtdrv.sys of the component Kernel Driver. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The advisory is shared at winslow1984.com. The identification of this vulnerability is CVE-2026-12780. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The exploit is available 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

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

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

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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-2026-12780 (🔒)
GCVE (CVE): GCVE-0-2026-12780
GCVE (VulDB): GCVE-100-372521
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/20/2026 11:41
Changes: 06/20/2026 11:41 (57)
Complete: 🔍
Submitter: winslow1984
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #835609: AOMEI AOMEI Backupper Kernel Driver amwrtdrv.sys 8.3.0 Local Privilege Escapation (by winslow1984)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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