What’s Vulnerable › Vulnerabilities

CVE-2019-1323

• 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: 2019-10-10 · updated 2026-06-17

Description

An elevation of privilege vulnerability exists in the Microsoft Windows Update Client when it does not properly handle privileges, aka 'Microsoft Windows Update Client Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1336.

Affected products

• Microsoft Windows 10 Version 1607: 1809, 1903
• Microsoft Windows Server 2016: 1903
• Microsoft Windows Server 2019: all versions
• Microsoft Corporation Windows: 10 Version 1809 for 32-bit Systems, 10 Version 1809 for x64-based Systems, 10 Version 1809 for ARM64-based Systems
• Microsoft Windows 10 Version 1903 for 32-bit Systems: all versions
• Microsoft Windows 10 Version 1903 for ARM64-based Systems: all versions
• Microsoft Windows 10 Version 1903 for x64-based Systems: all versions
• Microsoft Windows Server: 2019, 2019 (Core installation)
• Microsoft Windows Server, version 1903 (Server Core installation): all versions

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1323
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1323

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