CVE-2019-1320

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1322, CVE-2019-1340.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
Microsoft	Windows	10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1803 for ARM64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1809 for ARM64-based Systems; 10 Version 1709 for ARM64-based Systems
Microsoft	Windows Server	version 1803 (Core Installation); 2019; 2019 (Core installation)
Microsoft	Windows 10 Version 1903 for 32-bit Systems	unspecified
Microsoft	Windows 10 Version 1903 for x64-based Systems	unspecified
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	unspecified
Microsoft	Windows Server, version 1903 (Server Core installation)	unspecified

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1320Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1320Patch, Vendor Advisory

Timeline

Published: Oct 10, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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