CVE-2026-12781: Improper Access Controls in EaseUS Partition Master
A vulnerability was identified in EaseUS Partition Master up to 14.5. The affected element is an unknown function in the library epmntdrv.sys of the component Kernel Driver. The manipulation leads to improper access controls. The attack needs to be performed locally. The exploit is publicly available and might be used. You should upgrade the affected component. The vendor explains: "We have confirmed that this issue was present only in older versions of the product. Our product has since been updated, and the issue has been resolved in the latest version, so it no longer exists."
AI Analysis
Technical Summary
This vulnerability affects EaseUS Partition Master versions 14.0 through 14.5 and is caused by improper access controls in a kernel driver component (epmntdrv.sys). The flaw allows a local attacker with limited privileges to potentially escalate access due to insufficient access control enforcement. The vendor has addressed and fixed this issue in versions released after 14.5, eliminating the vulnerability in current versions.
Potential Impact
An attacker with local access and limited privileges could exploit this vulnerability to bypass access controls, potentially leading to privilege escalation or unauthorized actions within the system kernel context. The CVSS 4.0 base score is 8.5, indicating high severity with high impact on confidentiality, integrity, and availability. No public exploits are currently known to be in the wild.
Mitigation Recommendations
The vendor has confirmed that the vulnerability is fixed in the latest version of EaseUS Partition Master. Users should upgrade to the most recent version beyond 14.5 to remediate this issue. No additional mitigation steps are indicated by the vendor.
CVE-2026-12781: Improper Access Controls in EaseUS Partition Master
Description
A vulnerability was identified in EaseUS Partition Master up to 14.5. The affected element is an unknown function in the library epmntdrv.sys of the component Kernel Driver. The manipulation leads to improper access controls. The attack needs to be performed locally. The exploit is publicly available and might be used. You should upgrade the affected component. The vendor explains: "We have confirmed that this issue was present only in older versions of the product. Our product has since been updated, and the issue has been resolved in the latest version, so it no longer exists."
CVSS v4.0
Score 8.5high
Affected software
cpe:2.3:a:easeus:partition_master:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects EaseUS Partition Master versions 14.0 through 14.5 and is caused by improper access controls in a kernel driver component (epmntdrv.sys). The flaw allows a local attacker with limited privileges to potentially escalate access due to insufficient access control enforcement. The vendor has addressed and fixed this issue in versions released after 14.5, eliminating the vulnerability in current versions.
Potential Impact
An attacker with local access and limited privileges could exploit this vulnerability to bypass access controls, potentially leading to privilege escalation or unauthorized actions within the system kernel context. The CVSS 4.0 base score is 8.5, indicating high severity with high impact on confidentiality, integrity, and availability. No public exploits are currently known to be in the wild.
Mitigation Recommendations
The vendor has confirmed that the vulnerability is fixed in the latest version of EaseUS Partition Master. Users should upgrade to the most recent version beyond 14.5 to remediate this issue. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-20T09:39:48.265Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a37914d9c760d8addaa31f1
Added to database: 06/21/2026, 07:22:53 UTC
Last enriched: 06/28/2026, 21:58:45 UTC
Last updated: 08/04/2026, 16:36:49 UTC
Views: 252
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