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CVE-2022-24482: Windows ALPC Elevation of Privilege Vulnerability

• Severity: medium (CVSS 4.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-15 · updated 2026-06-17
• Weakness: CWE-362

Description

Windows ALPC Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 Version 1607: 20h2, 21h1, 21h2, 1607, 1809, 1909
• Microsoft Windows 11 version 21H2: all versions
• Microsoft Windows Server 2016: 20h2
• Microsoft Windows Server 2019: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.19265 — fixed in 10.0.10240.19265
• Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5066 — fixed in 10.0.14393.5066
• Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.2803 — fixed in 10.0.17763.2803
• Microsoft Windows 10 1909: from 10.0.0 before 10.0.18363.2212 — fixed in 10.0.18363.2212
• Microsoft Windows 10 20H2: from 10.0.0 before 10.0.19042.1645 — fixed in 10.0.19042.1645
• Microsoft Windows 10 21H1: from 10.0.0 before 10.0.19043.1645 — fixed in 10.0.19043.1645
• Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.1645 — fixed in 10.0.19044.1645
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.613 — fixed in 10.0.22000.613
• Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5066 — fixed in 10.0.14393.5066
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.2803 — fixed in 10.0.17763.2803
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.643 — fixed in 10.0.20348.643
• Microsoft Windows Server version 20H2: from 10.0.0 before 10.0.19042.1645 — fixed in 10.0.19042.1645

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.19265; Microsoft Windows 10 1607 10.0.14393.5066; Microsoft Windows 10 10.0.17763.2803; Microsoft Windows 10 1909 10.0.18363.2212; Microsoft Windows 10 20H2 10.0.19042.1645; Microsoft Windows 10 21H1 10.0.19043.1645; Microsoft Windows 10 10.0.19044.1645; Microsoft Windows 11 21H2 10.0.22000.613; Microsoft Windows Server 2016 10.0.14393.5066; Microsoft Windows Server 2019 10.0.17763.2803; Microsoft Windows Server 2022 10.0.20348.643; Microsoft Windows Server version 20H2 10.0.19042.1645. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24482
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24482

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