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CVE-2023-36396: Windows Compressed Folder Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-14 · updated 2026-06-17
• Weakness: CWE-41

Description

Windows Compressed Folder Remote Code Execution Vulnerability

Affected products

• Microsoft Windows 11: before 10.0.22621.2715 — fixed in 10.0.22621.2715
• Microsoft Windows 11: before 10.0.22621.2715 — fixed in 10.0.22621.2715
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.2715 — fixed in 10.0.22621.2715
• Microsoft Windows 11 version 22H3: from 10.0.22631.0 before 10.0.22631.2715 — fixed in 10.0.22631.2715
• Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.2715 — fixed in 10.0.22631.2715

How to fix

Upgrade to a fixed version: Microsoft Windows 11 10.0.22621.2715; Microsoft Windows 11 10.0.22621.2715; Microsoft Windows 11 10.0.22621.2715; Microsoft Windows 11 version 22H3 10.0.22631.2715; Microsoft Windows 11 10.0.22631.2715. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36396
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36396

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