What’s Vulnerable › Vulnerabilities
CVE-2022-26788: PowerShell Elevation of Privilege Vulnerability
- Severity: medium (CVSS 4.6 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-04-15 · updated 2026-06-17
Description
PowerShell Elevation of Privilege Vulnerability
Affected products
- Microsoft Powershell: from 7.0 before 7.0.10; from 7.1 before 7.1.7; from 7.2 before 7.2.3 — fixed in 7.0.10, 7.1.7, 7.2.3
- Microsoft Windows 10 Version 1607: 20h2, 21h1, 21h2, 1607, 1809, 1909
- Microsoft Windows 11 version 21H2: all versions
- Microsoft Windows 8.1: all versions
- Microsoft Windows RT 8.1: all versions
- Microsoft Windows Server 2008: r2-sp1
- Microsoft Windows Server 2012: r2
- Microsoft Windows Server 2016: 20h2
- Microsoft Windows Server 2019: all versions
- Microsoft Windows Server 2022: all versions
- Microsoft PowerShell 7.0: from 7.0.0 before 7.0.10 — fixed in 7.0.10
- Microsoft PowerShell 7.1: from 7.1.0 before 7.1.7 — fixed in 7.1.7
- Microsoft PowerShell 7.2: from 7.2.0 before 7.2.3 — fixed in 7.2.3
- 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 8.1: from 6.3.0 before 6.3.9600.20337 — fixed in 6.3.9600.20337
- Microsoft Windows Server 2008 R2 Service Pack 1: from 6.1.7601.0 before 6.1.7601.25954 — fixed in 6.1.7601.25954
- Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.23679 — fixed in 6.2.9200.23679
- Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.20337 — fixed in 6.3.9600.20337
- 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 Powershell 7.0.10, 7.1.7, 7.2.3; Microsoft PowerShell 7.0 7.0.10; Microsoft PowerShell 7.1 7.1.7; Microsoft PowerShell 7.2 7.2.3; 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. Check the vendor advisory for mitigations.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26788
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26788
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