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CVE-2020-0803

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-12 · updated 2026-06-17

Description

An elevation of privilege vulnerability exists in the way that the Windows Network Connections Service handles objects in memory, aka 'Windows Network Connections Service Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0778, CVE-2020-0802, CVE-2020-0804, CVE-2020-0845.

Affected products

• Microsoft Windows 10 Version 1607: 1607, 1709, 1803, 1809, 1903, 1909
• Microsoft Windows 7: all versions
• Microsoft Windows 8.1: all versions
• Microsoft Windows RT 8.1: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2012: r2
• Microsoft Windows Server 2016: 1803, 1903, 1909
• Microsoft Windows Server 2019: all versions

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0803
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0803

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