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Vulnerability record · CVE-2020-1239 · published 9 June 2020

CVE-2020-1239: Microsoft windows 10 improper input validation vulnerability

Microsoft · Windows 10

A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory, aka 'Media Foundation Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-1238.

8.8 CVSS 3.1 High EPSS 5.9% · top 7.0% CWE-20 · Improper input validationCWE-191 · CWE-191
8.8CVSS 3.1 base score, v2 6.8
5.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory, aka 'Media Foundation Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-1238.

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

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1239 PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-697/ Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1239 PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-697/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-1239), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.