Windows 10 Version 21H2
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As of 10/10/2026, Windows 10 Version 21H2 recorded 574 security vulnerabilities in the last 90 days, of which 460 are rated High or Critical. Notably, 2 of these vulnerabilities are actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of Windows 10 Version 21H2 and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-84000Microsoft Graphics Component Remote Code Execution VulnerabilityCVE-2026-83997Windows Message Queuing Remote Code Execution VulnerabilityCVE-2026-83995Windows NTFS Elevation of Privilege VulnerabilityCVE-2026-83992Windows Imaging Component Remote Code Execution VulnerabilityCVE-2026-83989Windows Services for NFS ONCRPC XDR Driver Denial of Service Vulnerability| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-84000Microsoft Graphics Component Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes |
| SeverityHigh |
CVE-2026-83997Windows Message Queuing Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
|---|
CVE-2026-83995Windows NTFS Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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CVE-2026-83992Windows Imaging Component Remote Code Execution Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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CVE-2026-83989Windows Services for NFS ONCRPC XDR Driver Denial of Service Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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CVE-2026-83985Windows Biometric Service Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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CVE-2026-83983Windows Biometric Service Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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CVE-2026-83987Windows Biometric Service Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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CVE-2026-83980Windows Biometric Service Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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CVE-2026-83982Windows Biometric Service Elevation of Privilege Vulnerability | Exploitation statusNot exploited | FixYes | Published09/08/2026 | SeverityHigh |
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