CVE-2019-1316 — Microsoft Windows Setup Elevation of Privilege Vulnerability

Executive Summary

An elevation of privilege vulnerability exists in Microsoft Windows Setup when it does not properly handle privileges. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install programs; view, change or delete data. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The security update addresses the vulnerability by enabling Windows Setup to properly handle user privileges.

Overview

7.3

CVSS HIGH

Important

MS Severity

Not Exploited

MS Exploit Status

Less Likely

MS Exploit Likelihood

Category Elevation of Privilege

Released Oct 8 2019

Last Updated Oct 8 2019

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.00998 — 0.58197 percentile

CVSS Vector

ATTACK VECTOR

Local

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

Low

USER INTERACTION

None

SCOPE

Changed

Temporal Score: 6.6

EPSS Score

0.00998

probability of exploitation in the next 30 days

0.58197 percentile - updated 2026-06-20

View on FIRST.org

Affected Products

22 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 Version 1607 for 32-bit Systems	`4519335 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1607 for x64-based Systems	`4519335 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1703 for 32-bit Systems	`4519336 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1703 for x64-based Systems	`4519336 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1709 for 32-bit Systems	`4519764 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1709 for ARM64-based Systems	`4519764 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1709 for x64-based Systems	`4519764 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1803 for 32-bit Systems	`4519765 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1803 for ARM64-based Systems	`4519765 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1803 for x64-based Systems	`4519765 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1809 for 32-bit Systems	`4519337 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1809 for ARM64-based Systems	`4519337 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1809 for x64-based Systems	`4519337 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1903 for 32-bit Systems	`4517388 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1903 for ARM64-based Systems	`4517388 (Setup DU)`	Important	Elevation of Privilege	No
Windows 10 Version 1903 for x64-based Systems	`4517388 (Setup DU)`	Important	Elevation of Privilege	No
Windows Server 2016	`4519335 (Setup DU)`	Important	Elevation of Privilege	No
Windows Server 2016 (Server Core installation)	`4519335 (Setup DU)`	Important	Elevation of Privilege	No
Windows Server 2019	`4519337 (Setup DU)`	Important	Elevation of Privilege	No
Windows Server 2019 (Server Core installation)	`4519337 (Setup DU)`	Important	Elevation of Privilege	No
Windows Server, version 1803 (Server Core Installation)	`4519765 (Setup DU)`	Important	Elevation of Privilege	No
Windows Server, version 1903 (Server Core installation)	`4517388 (Setup DU)`	Important	Elevation of Privilege	No

Patches

6 patches

Article	Type	Restart
`4519335`	Setup DU	No
`4519336`	Setup DU	No
`4519764`	Setup DU	No
`4519765`	Setup DU	No
`4519337`	Setup DU	No
`4517388`	Setup DU	No

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

@Callum_S_Holmes )

References

MSRC Advisory MITRE NVD