Vulnerability Intelligence Report
Microsoft Windows Privilege Escalation Vulnerability
CVE-2019-0543
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:4.72%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-287 ↗CWE-287 Improper Authentication
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| microsoft | windows_10_1507 | all |
| microsoft | windows_10_1607 | all |
| microsoft | windows_10_1703 | all |
| microsoft | windows_10_1709 | all |
| microsoft | windows_10_1803 | all |
| microsoft | windows_10_1809 | all |
| microsoft | windows_7 | all |
| microsoft | windows_8.1 | all |
| microsoft | windows_rt_8.1 | all |
| microsoft | windows_server_1709 | all |
| microsoft | windows_server_1803 | all |
| microsoft | windows_server_2008 | r2 |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | all |
| microsoft | windows_server_2019 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2018-11-26T00:00:00 |
| Published | 2019-01-08T21:00:00 |
| Patch Date | 2019-01-08 |
| Last Updated | 2026-01-12T22:05:00 |
Community Chatter & Buzz