---
id: CVE-2026-12780
title: A vulnerability was determined in AOMEI Backupper up to 8.3.0
summary: >-
  A vulnerability was determined in AOMEI Backupper up to 8.3.0. Impacted is an
  unknown function in the library amwrtdrv.sys of the component Kernel Driver.
  Executing a manipulation can lead to improper access controls. The attack
  needs to…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-266
  - CWE-284
published: '2026-06-21'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T12:17:14.163'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-12780'
references:
  - url: 'https://vuldb.com/cve/CVE-2026-12780'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/835609'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/372521'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/372521/cti'
    label: cna@vuldb.com
  - url: >-
      https://winslow1984.com/books/cve-collection/page/aomei-backupper-830-kernel-driver-amwrtdrvsys-local-privilege-escalation
    label: cna@vuldb.com
  - url: 'https://www.kb.cert.org/vuls/id/687587'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00162
epssPercentile: 0.04892
ingestedAt: '2026-10-13T12:25:50.630Z'
---

## Overview

A vulnerability was determined in AOMEI Backupper up to 8.3.0. Impacted is an unknown function in the library amwrtdrv.sys of the component Kernel Driver. Executing a manipulation can lead to improper access controls. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.