CVE-2023-23392: HTTP Protocol Stack Remote Code Execution Vulnerability

Severity: critical (CVSS 9.8 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: 2023-03-14 · updated 2026-06-17
Weakness: CWE-416

Description

HTTP Protocol Stack Remote Code Execution Vulnerability

Affected products

Microsoft Windows 11 21H2: before 10.0.22000.1696 — fixed in 10.0.22000.1696
Microsoft Windows 11: before 10.0.22000.1413 — fixed in 10.0.22000.1413
Microsoft Windows Server 2022: all versions
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.1696 — fixed in 10.0.22000.1696
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.1413 — fixed in 10.0.22621.1413
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1607 — fixed in 10.0.20348.1607

How to fix

Upgrade to a fixed version: Microsoft Windows 11 21H2 10.0.22000.1696; Microsoft Windows 11 10.0.22000.1413; Microsoft Windows 11 21H2 10.0.22000.1696; Microsoft Windows 11 10.0.22621.1413; Microsoft Windows Server 2022 10.0.20348.1607. Check the vendor advisory for mitigations.

References

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