EaseUS Partition Master Kernel Driver EUEDKEPM.sys access control

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Summary

CVECVE-2026-12782
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-21 08:16:23 UTC
Updated2026-06-21 08:16:23 UTC
DescriptionA security flaw has been discovered in EaseUS Partition Master up to 14.5. The impacted element is an unknown function in the library EUEDKEPM.sys of the component Kernel Driver. The manipulation results in improper access controls. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The affected component should be upgraded. 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."

Risk And Classification

Primary CVSS: v4.0 7.1 HIGH from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-266 | CWE-284 | CWE-284 Improper Access Controls | CWE-266 Incorrect Privilege Assignment

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.1HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED8.5HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
3.0CNADECLARED7.8HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
2.0[email protected]Secondary6.8AV:L/AC:L/Au:S/C:C/I:C/A:C
2.0CNADECLARED6.8AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA EaseUS Partition Master affected 14.0 Not specified
CNA EaseUS Partition Master affected 14.1 Not specified
CNA EaseUS Partition Master affected 14.2 Not specified
CNA EaseUS Partition Master affected 14.3 Not specified
CNA EaseUS Partition Master affected 14.4 Not specified
CNA EaseUS Partition Master affected 14.5 Not specified

References

ReferenceSourceLinkTags
vuldb.com/submit/835612 [email protected] vuldb.com
vuldb.com/cve/CVE-2026-12782 [email protected] vuldb.com
vuldb.com/vuln/372523 [email protected] vuldb.com
www.easeus.com/partition-manager [email protected] www.easeus.com
vuldb.com/vuln/372523/cti [email protected] vuldb.com
winslow1984.com/books/cve-collection/page/easeus-partition-master-145-kernel-... [email protected] winslow1984.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: winslow1984 (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-20T00:00:00.000ZAdvisory disclosed
CNA2026-06-20T02:00:00.000ZVulDB entry created
CNA2026-06-20T11:45:11.000ZVulDB entry last update
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