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CVE-2026-12780

AOMEI Backupper Kernel Driver amwrtdrv.sys access control

HIGH
7.8
CVSS Score
Published: June 21, 2026 at 05:30 AM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorBackupper

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/372521
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/372521/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-12780
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/835609
Exploit
Source: cverecord
https://winslow1984.com/books/cve-collection/page/aomei-backupper-830-kernel-driver-amwrtdrvsys-local-privilege-escalation
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.kb.cert.org/vuls/id/687587

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-284CWE-266

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