KEV Entry

CVE-2018-8589

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2018-8589

2022-05-23 00:00 UTC

Timestamps

2022-05-23

2022-05-23

Scope

KEVIntel entry: An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka "Windows Win32k Elevation of Privilege... | Affected: Microsoft / Windows Server 2008, Windows 7, Windows Server 2008 R2 | CVSS: 7.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2018-8589', 'url': 'https://www.cve.org/CVERecord?id=CVE-2018-8589'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2018-8589'}

44f01b36-11c3-49af-912c-57afed355729

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 11:13 UTC

2026-06-23 11:13 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2022-05-23T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Windows Server 2008, Windows 7, Windows Server 2008 R2",
  "title": "An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka \"Windows Win32k Elevation of Privilege...",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
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