What’s Vulnerable › Vulnerabilities

CVE-2020-1120

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-09 · updated 2026-06-17

Description

A denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations, aka 'Connected User Experiences and Telemetry Service Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-1244.

Affected products

• Microsoft Windows 10 Version 1607: 2004
• Microsoft Windows 10 Version 2004 for 32-bit Systems: all versions
• Microsoft Windows 10 Version 2004 for ARM64-based Systems: all versions
• Microsoft Windows 10 Version 2004 for x64-based Systems: all versions
• Microsoft Windows Server version 2004: all versions

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1120
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1120

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