Vulnerability Intelligence Report
Microsoft Win32k Privilege Escalation Vulnerability
CVE-2019-1458
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:73.86%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows | 10 for 32-bit Systems (affected), 10 for x64-based Systems (affected), 10 Version 1607 for 32-bit Systems (affected), 10 Version 1607 for x64-based Systems (affected), 7 for 32-bit Systems Service Pack 1 (affected), 7 for x64-based Systems Service Pack 1 (affected), 8.1 for 32-bit systems (affected), 8.1 for x64-based systems (affected), RT 8.1 (affected) |
| Microsoft | Windows Server | 2016 (affected), 2016 (Core installation) (affected), 2008 for 32-bit Systems Service Pack 2 (affected), 2008 for 32-bit Systems Service Pack 2 (Core installation) (affected), 2008 for Itanium-Based Systems Service Pack 2 (affected), 2008 for x64-based Systems Service Pack 2 (affected), 2008 for x64-based Systems Service Pack 2 (Core installation) (affected), 2008 R2 for Itanium-Based Systems Service Pack 1 (affected), 2008 R2 for x64-based Systems Service Pack 1 (affected), 2008 R2 for x64-based Systems Service Pack 1 (Core installation) (affected), 2012 (affected), 2012 (Core installation) (affected), 2012 R2 (affected), 2012 R2 (Core installation) (affected) |
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 | 2019-12-10T21:40:57 |
| Last Updated | 2026-08-12T03:55:53 |
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