CVE-2020-9858

Name: CVE-2020-9858
Creator: NVD / NIST
Published: 2020-06-09T17:15:15.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2020-9858 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A dynamic library loading issue was addressed with improved path searching. This issue is fixed in Windows Migration Assistant 2.2.0.0 (v. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

A dynamic library loading issue was addressed with improved path searching. This issue is fixed in Windows Migration Assistant 2.2.0.0 (v. 1A11). Running the installer in an untrusted directory may result in arbitrary code execution.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.47%

37.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-427

Affected Software

Vendor	Product	Versions
Apple	Windows Migration Assistant	< 2.2.0.0

References

https://support.apple.com/HT211186Vendor Advisory
https://support.apple.com/HT211186Vendor Advisory

Timeline

Published: Jun 9, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9858?

How severe is CVE-2020-9858?

CVE-2020-9858 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9858?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9858?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST