CVE-2022-26788 json
PowerShell Elevation of Privilege Vulnerability
published 2022-04-15 4 y ago modified 2026-06-17 4 mo ago also BIT-powershell-2022-26788 , EUVD-2022-31338 , GHSA-q7x5-x7rr-2859
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
PowerShell Elevation of Privilege Vulnerability
Patch / fix
- nuget Microsoft.PowerShell.SDK 7.0.10, 7.1.7, 7.2.3
- bitnami powershell 7.0.10, 7.1.7, 7.2.3
- Microsoft Windows 10 Version 1809 10.0.17763.2803
- Microsoft Windows Server 2019 10.0.17763.2803
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.2803
- Microsoft Windows 10 Version 1909 10.0.18363.2212
- Microsoft Windows 10 Version 21H1 10.0.19043.1645
- Microsoft Windows Server 2022 10.0.20348.643
- Microsoft Windows 10 Version 20H2 10.0.19042.1645
- Microsoft Windows Server version 20H2 10.0.19042.1645
- Microsoft Windows 11 version 21H2 10.0.22000.613
- Microsoft Windows 10 Version 21H2 10.0.19044.1645
- Microsoft Windows 10 Version 1507 10.0.10240.19265
- Microsoft Windows 10 Version 1607 10.0.14393.5066
- Microsoft Windows Server 2016 10.0.14393.5066
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.5066
- Microsoft Windows 8.1 6.3.9600.20337
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.25954
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.25954
- Microsoft Windows Server 2012 6.2.9200.23679
- Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.23679
- Microsoft Windows Server 2012 R2 6.3.9600.20337
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.20337
- Microsoft PowerShell 7.0 7.0.10
- Microsoft PowerShell 7.1 7.1.7
- Microsoft PowerShell 7.2 7.2.3
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| GitHub | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| OSV | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Microsoft.PowerShell.SDK | >=7.0.0-preview.1, <7.0.10 >=7.1.0-preview.1, <7.1.7 >=7.2.0-preview.1, <7.2.3 |
7.0.10 7.1.7 7.2.3 |
| bitnami | powershell | >=7.0.0, <7.0.10 >=7.1.0, <7.1.7 >=7.2.0, <7.2.3 |
7.0.10 7.1.7 7.2.3 |
Affected products
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows 10 Version 1909
- Microsoft Windows 10 Version 21H1
- Microsoft Windows Server 2022
- Microsoft Windows 10 Version 20H2
- Microsoft Windows Server version 20H2
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows 8.1
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
- Microsoft PowerShell 7.0
- Microsoft PowerShell 7.1
- Microsoft PowerShell 7.2
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2022-26788
vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2022-26788
advisory, web
-
github.com
/PowerShell/Announcements/issues/31
web
-
github.com
/PowerShell/PowerShell
package
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2022-26788
web
Sources
- CVE List CVE-2022-26788
- GitHub Advisory GHSA-q7x5-x7rr-2859
- NVD CVE-2022-26788
- OSV BIT-powershell-2022-26788
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.