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Microsoft Windows Codecs Library

CVE-2020-17022 — Microsoft Windows Codecs Library Remote Code Execution Vulnerability

Important CVSS 7.8 EPSS 0.03593 2020-10 archive

Executive Summary

A remote code execution vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code. Exploitation of the vulnerability requires that a program process a specially crafted image file. The update addresses the vulnerability by correcting how Microsoft Windows Codecs Library handles objects in memory.

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Not Found
MS Exploit Likelihood
Category Remote Code Execution
Released Oct 13 2020
Last Updated Oct 13 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.03593 — 0.87952 percentile

CVSS Vector

ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
Temporal Score: 7.0

EPSS Score

0.03593
probability of exploitation in the next 30 days
0.87952 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

17 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 1709 for 32-bit Systems — Important Remote Code Execution Unknown
Windows 10 Version 1709 for ARM64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1709 for x64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1803 for 32-bit Systems — Important Remote Code Execution Unknown
Windows 10 Version 1803 for ARM64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1803 for x64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1809 for 32-bit Systems — Important Remote Code Execution Unknown
Windows 10 Version 1809 for ARM64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1809 for x64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1903 for 32-bit Systems — Important Remote Code Execution Unknown
Windows 10 Version 1903 for ARM64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1903 for x64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1909 for ARM64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 1909 for x64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 2004 for 32-bit Systems — Important Remote Code Execution Unknown
Windows 10 Version 2004 for ARM64-based Systems — Important Remote Code Execution Unknown
Windows 10 Version 2004 for x64-based Systems — Important Remote Code Execution Unknown

Patches

1 patch
Article Type Restart
— Unknown

Known Exploits

Acknowledgments

FireEye Inc, (@linhlhq) from VinCSS (Member of Vingroup)

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