Answer in brief
CVE-2018-8589 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Microsoft/Windows 7 (generic), Microsoft/Windows Server 2008 (generic), Microsoft/Windows Server 2008 R2 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/Windows 7 (generic), Microsoft/Windows Server 2008 (generic), Microsoft/Windows Server 2008 R2 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/Windows 7generic | 32-bit Systems Service Pack 1 || x64-based Systems Service Pack 1 | Not reported |
| Microsoft/Windows Server 2008generic | 32-bit Systems Service Pack 2 || 32-bit Systems Service Pack 2 (Server Core installation) || Itanium-Based Systems Service Pack 2 || x64-based Systems Service Pack 2 || x64-based Systems Service Pack 2 (Server Core installation) | Not reported |
| Microsoft/Windows Server 2008 R2generic | Itanium-Based Systems Service Pack 1 || x64-based Systems Service Pack 1 || x64-based Systems Service Pack 1 (Server Core installation) | Not reported |
Published upstream
Nov 14, 2018
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 23, 2022
Evidence: source:kev:kev:kev:recordAn 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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2018-8589 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Microsoft/Windows 7 (generic), Microsoft/Windows Server 2008 (generic), Microsoft/Windows Server 2008 R2 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Microsoft/Windows 7 (generic), Microsoft/Windows Server 2008 (generic), Microsoft/Windows Server 2008 R2 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Microsoft/Windows 7generic | 32-bit Systems Service Pack 1 || x64-based Systems Service Pack 1 | Not reported |
| Microsoft/Windows Server 2008generic | 32-bit Systems Service Pack 2 || 32-bit Systems Service Pack 2 (Server Core installation) || Itanium-Based Systems Service Pack 2 || x64-based Systems Service Pack 2 || x64-based Systems Service Pack 2 (Server Core installation) | Not reported |
| Microsoft/Windows Server 2008 R2generic | Itanium-Based Systems Service Pack 1 || x64-based Systems Service Pack 1 || x64-based Systems Service Pack 1 (Server Core installation) | Not reported |
Published upstream
Nov 14, 2018
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
May 23, 2022
Evidence: source:kev:kev:kev:recordAn 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.
Quoted source text, attributed separately from HOL analysis.