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CVE-2026-12781

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 up
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:33fbdff7c4397529cc43e91b3d5cb398cb8690c488bdb68beab9b97704be4e75
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":8.5,"baseSeverity":"HIGH","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":6.8,"vectorString":"AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"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","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:easeus:partition_master:*:*:*:*:*:*:*:*"],"modules":["Kernel Driver"],"product":"Partition Master","vendor":"EaseUS","versions":[{"status":"affected","version":"14.0"},{"status":"affected","version":"14.1"},{"status":"affected","version":"14.2"},{"status":"affected","version":"14.3"},{"status":"affected","version":"14.4"},{"status":"affected","version":"14.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":8.5,"baseSeverity":"HIGH","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":6.8,"vectorString":"AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"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","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-266","description":"Incorrect Privilege Assignment","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/problemTypes/1/descriptions/0

Source references

6 source assertions
{"name":"CVE-2026-12781 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-12781"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/references/2
{"name":"Submit #835611 | EaseUS Partition Master Kernel Driver epmntdrv.sys 14.5 Local Privilege Escapation","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/835611"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/references/3
{"name":"VDB-372522 | EaseUS Partition Master Kernel Driver epmntdrv.sys access control","tags":["vdb-entry"],"url":"https://vuldb.com/vuln/372522"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/references/0
{"name":"VDB-372522 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/372522/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://winslow1984.com/books/cve-collection/page/easeus-partition-master-145-kernel-driver-epmntdrvsys-local-privilege-escalation"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/references/4
{"tags":["patch"],"url":"https://www.easeus.com/partition-manager/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:64d9368de84d60a6e32e1b993a6bc0d30043c4f0350c49b8e3deccd8782710c9 · sha256:c47e72a3f08835eb… · /containers/cna/references/5

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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