CVE-2019-1082 — Microsoft Windows Elevation of Privilege Vulnerability

Executive Summary

An elevation of privilege vulnerability exists in Microsoft Windows where a certain DLL, with Local Service privilege, is vulnerable to race planting a customized DLL. An attacker who successfully exploited this vulnerability could potentially elevate privilege to SYSTEM. The update addresses this vulnerability by requiring SYSTEM privileges for a certain DLL.

Overview

7.8

CVSS HIGH

Important

MS Severity

Not Exploited

MS Exploit Status

N/A

MS Exploit Likelihood

Category Elevation of Privilege

Released Jul 9 2019

Last Updated Jul 9 2019

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.01182 — 0.6451 percentile

NVD CVSS 7.8 HIGH — differs from MSRC

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

ATTACK VECTOR

Local

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

Low

USER INTERACTION

None

SCOPE

Unchanged

CONFIDENTIALITY

High

INTEGRITY

High

AVAILABILITY

Low

Temporal Score: 7.7

EPSS Score

0.01182

probability of exploitation in the next 30 days

0.6451 percentile - updated 2026-07-25

View on FIRST.org

Affected Products

6 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 for 32-bit Systems	`4507458 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 for x64-based Systems	`4507458 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1607 for 32-bit Systems	`4507460 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 10 Version 1607 for x64-based Systems	`4507460 (Security Update)`	Important	Elevation of Privilege	Yes
Windows 7 for 32-bit Systems Service Pack 1 4507449 (Monthly Rollup) 4507456 (Security Only) Important Elevation of Privilege 4503292 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows 7 for x64-based Systems Service Pack 1 4507449 (Monthly Rollup) 4507456 (Security Only) Important Elevation of Privilege 4503292 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows 8.1 for 32-bit systems 4507448 (Monthly Rollup) 4507457 (Security Only) 4507448 (Monthly Rollup) Important Elevation of Privilege 4503276 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows 8.1 for x64-based systems 4507448 (Monthly Rollup) 4507457 (Security Only) 4507448 (Monthly Rollup) Important Elevation of Privilege 4503276 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows RT 8.1 4507448 (Monthly Rollup) 4507448 (Monthly Rollup) Important Elevation of Privilege 4503276 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 4507449 (Monthly Rollup) 4507456 (Security Only) Important Elevation of Privilege 4503292 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 4507449 (Monthly Rollup) 4507456 (Security Only) Important Elevation of Privilege 4503292 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 4507449 (Monthly Rollup) 4507456 (Security Only) Important Elevation of Privilege 4503292 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2012 4507462 (Monthly Rollup) 4507464 (Security Only) Important Elevation of Privilege 4503285 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2012 (Server Core installation) 4507462 (Monthly Rollup) 4507464 (Security Only) Important Elevation of Privilege 4503285 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2012 R2 4507448 (Monthly Rollup) 4507457 (Security Only) 4507448 (Monthly Rollup) Important Elevation of Privilege 4503276 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2012 R2 (Server Core installation) 4507448 (Monthly Rollup) 4507457 (Security Only) 4507448 (Monthly Rollup) Important Elevation of Privilege 4503276 Base: 7.7 Temporal: 7.7 Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Yes None Windows Server 2016	`4507460 (Security Update)`	Important	Elevation of Privilege	Yes
Windows Server 2016 (Server Core installation)	`4507460 (Security Update)`	Important	Elevation of Privilege	Yes

Patches

2 patches

Article	Type	Restart
`4507458`	Security Update	Yes
`4507460`	Security Update	Yes

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

Jakub Pałaczyński
Michal Bazyli

References

MSRC Advisory MITRE NVD