CVE-2018-8589
Summary
| CVE | CVE-2018-8589 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-11-14 01:29:00 UTC |
| Updated | 2019-10-03 00:03:00 UTC |
| Description | An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka "Windows Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2. |
Risk And Classification
EPSS: 0.504380000 probability, percentile 0.978510000 (date 2026-04-24)
CISA KEV: Listed on 2022-05-23; due 2022-06-13; ransomware use Unknown
Problem Types: NVD-CWE-noinfo
CISA Known Exploited Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Win32k |
| Name | Microsoft Win32k Privilege Escalation Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2018-8589 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Microsoft | Windows 7 | - | sp1 | All | All |
| Operating System | Microsoft | Windows 7 | - | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2008 | - | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2008 | - | sp2 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
| Operating System | Microsoft | Windows Server 2008 | r2 | sp1 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Windows Kernel 'Win32k.sys' Lets Local Users Gain Elevated Privileges - SecurityTracker | SECTRACK | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Microsoft Windows Kernel 'Win32k.sys' CVE-2018-8589 Local Privilege Escalation Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589 | CONFIRM | portal.msrc.microsoft.com | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.