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CVE-2024-43584: Windows Scripting Engine Security Feature Bypass Vulnerability

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-08 · updated 2026-08-19
• Weakness: CWE-693

Description

Windows Scripting Engine Security Feature Bypass Vulnerability

Affected products

• Microsoft Windows 11 21H2: before 10.0.22000.3260 — fixed in 10.0.22000.3260
• Microsoft Windows 11: before 10.0.22621.4317 — fixed in 10.0.22621.4317
• Microsoft Windows 11: before 10.0.22631.4317 — fixed in 10.0.22631.4317
• Microsoft Windows 11: before 10.0.26100.2033 — fixed in 10.0.26100.2033
• Microsoft Windows Server 2022: before 10.0.20348.2762 — fixed in 10.0.20348.2762
• Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): before 10.0.25398.1189 — fixed in 10.0.25398.1189
• Microsoft Windows 11 21H2: from 10.0.22000.0 before 10.0.22000.3260 — fixed in 10.0.22000.3260
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.4317 — fixed in 10.0.22621.4317
• Microsoft Windows 11 version 22H3: from 10.0.22631.0 before 10.0.22631.4317 — fixed in 10.0.22631.4317
• Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.4317 — fixed in 10.0.22631.4317
• Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.2033 — fixed in 10.0.26100.2033
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.2762 — fixed in 10.0.20348.2762
• Microsoft Windows Server 2022, 23H2 Edition (Server Core installation): from 10.0.25398.0 before 10.0.25398.1189 — fixed in 10.0.25398.1189

How to fix

Upgrade to a fixed version: Microsoft Windows 11 21H2 10.0.22000.3260; Microsoft Windows 11 10.0.22621.4317; Microsoft Windows 11 10.0.22631.4317; Microsoft Windows 11 10.0.26100.2033; Microsoft Windows Server 2022 10.0.20348.2762; Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1189; Microsoft Windows 11 21H2 10.0.22000.3260; Microsoft Windows 11 10.0.22621.4317; Microsoft Windows 11 version 22H3 10.0.22631.4317; Microsoft Windows 11 10.0.22631.4317; Microsoft Windows 11 10.0.26100.2033; Microsoft Windows Server 2022 10.0.20348.2762. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43584

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