CVE-2026-15475

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-07-12. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Elevated
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A weakness has been identified in MiniTool Partition Wizard up to 13.6. The affected element is an unknown function in the library pwdrvio.sys of the component Signed Kernel Driver. This manipulation causes improper access controls. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. Upgrading to version 13.9 is sufficient to fix this issue. The affected component should be upgraded. The vendor was contacted early about this disclosure.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
1.3%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 13, 2026

Advisory Details (2)

Auto-updated Jul 12, 2026
No patch confirmed yet.
generic

MiniTool Partition Wizard Version Update Log

https://www.minitool.com/partition-manager/upgrade-history.html
generic

MiniTool Partition Wiz... | Winslow Blog

https://winslow1984.com/books/cve-collection/page/minitool-partition-wizard-kernel-driver-pwdrviosys-local-privilege-escalation

Vendor Advisories for CVE-2026-15475(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 19× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 03:05 UTCEG score recompute
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-21 15:24 UTCEPSS rescore
  5. 2026-07-20 17:08 UTCEPSS rescore
  6. 2026-07-19 14:30 UTCEPSS rescore
  7. 2026-07-16 17:02 UTCEPSS rescore
  8. 2026-07-16 08:11 UTCGHSA enrichment
  9. 2026-07-15 16:57 UTCEPSS rescore
  10. 2026-07-15 06:43 UTCGHSA enrichment
  11. 2026-07-14 05:16 UTCGHSA enrichment
  12. 2026-07-13 22:30 UTCEPSS rescore
  13. 2026-07-13 16:24 UTCNVD updateCVSS v4 → 1.9
  14. 2026-07-13 15:32 UTCMITRE cvelistV5CVSS v4 → 4.8
  15. 2026-07-13 06:12 UTCEPSS rescore
  16. 2026-07-13 03:49 UTCGHSA enrichment
  17. 2026-07-12 04:26 UTCNVD updateCVSS v4 → 1.9
  18. 2026-07-12 02:23 UTCEG score recompute
  19. 2026-07-12 02:22 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15475?
CVE-2026-15475 is a medium vulnerability published on July 12, 2026. A weakness has been identified in MiniTool Partition Wizard up to 13.6. The affected element is an unknown function in the library pwdrvio.sys of the component Signed Kernel Driver. This manipulation causes improper access controls. The attack can only be executed locally. The exploit has been made…
When was CVE-2026-15475 disclosed?
CVE-2026-15475 was first published in the National Vulnerability Database on July 12, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15475 actively exploited?
CVE-2026-15475 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15475?
CVE-2026-15475 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-15475?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15475, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-15475

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