CVE-2026-12780: Improper Access Controls in AOMEI Backupper
CVE-2026-12780 is a high-severity vulnerability in AOMEI Backupper up to version 8.3.0. It involves improper access controls in the kernel driver component amwrtdrv.sys. The vulnerability requires local access to exploit and has been publicly disclosed. The vendor has not responded with a fix or mitigation guidance. No official patch or remediation is currently available.
AI Analysis
Technical Summary
This vulnerability affects the kernel driver (amwrtdrv.sys) of AOMEI Backupper versions 8.0 through 8.3.0. Improper access controls in an unspecified function allow a local attacker with limited privileges to manipulate the driver, potentially leading to unauthorized actions. The vulnerability has a CVSS 4.0 score of 8.5, indicating high severity. Although the exploit has been publicly disclosed, there is no known exploit in the wild and no vendor response or patch has been provided as of the publication date.
Potential Impact
An attacker with local access and limited privileges can exploit this vulnerability to bypass access controls in the kernel driver, potentially leading to unauthorized system actions or privilege escalation. The exact impact depends on the nature of the improper access control but is considered high severity due to kernel-level involvement.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no patch is available, users should restrict local access to trusted users only and monitor for updates from AOMEI regarding a fix.
CVE-2026-12780: Improper Access Controls in AOMEI Backupper
Description
CVE-2026-12780 is a high-severity vulnerability in AOMEI Backupper up to version 8.3.0. It involves improper access controls in the kernel driver component amwrtdrv.sys. The vulnerability requires local access to exploit and has been publicly disclosed. The vendor has not responded with a fix or mitigation guidance. No official patch or remediation is currently available.
CVSS v4.0
Score 8.5high
Affected software
cpe:2.3:a:aomei:backupper:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the kernel driver (amwrtdrv.sys) of AOMEI Backupper versions 8.0 through 8.3.0. Improper access controls in an unspecified function allow a local attacker with limited privileges to manipulate the driver, potentially leading to unauthorized actions. The vulnerability has a CVSS 4.0 score of 8.5, indicating high severity. Although the exploit has been publicly disclosed, there is no known exploit in the wild and no vendor response or patch has been provided as of the publication date.
Potential Impact
An attacker with local access and limited privileges can exploit this vulnerability to bypass access controls in the kernel driver, potentially leading to unauthorized system actions or privilege escalation. The exact impact depends on the nature of the improper access control but is considered high severity due to kernel-level involvement.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no patch is available, users should restrict local access to trusted users only and monitor for updates from AOMEI regarding a fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-20T09:36:11.510Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3778eb9c760d8add8aba4a
Added to database: 06/21/2026, 05:38:51 UTC
Last enriched: 06/21/2026, 05:52:42 UTC
Last updated: 06/21/2026, 06:22:50 UTC
Views: 33
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