CVE-2022-26788
PowerShell Elevation of Privilege Vulnerability
PowerShell Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
PowerShell Elevation of Privilege Vulnerability
PowerShell Elevation of Privilege Vulnerability
- Record
CVE-2022-26788- CVSS 3.1
- 7.8 High
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 - Updated
- 2026-11-02
EUVDEUVD-2022-31338
PowerShell Elevation of Privilege Vulnerability
- Record
EUVD-2022-31338- CVSS 3.1
- 7.8 High
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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q7x5-x7rr-2859
PowerShell Elevation of Privilege Vulnerability
PowerShell Elevation of Privilege Vulnerability.
- Record
GHSA-q7x5-x7rr-2859- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
PowerShell Elevation of Privilege Vulnerability
- Record
CVE-2022-26788- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
OSV
PowerShell Elevation of Privilege Vulnerability
- Record
CVE-2022-26788- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-q7x5-x7rr-2859
PowerShell Elevation of Privilege Vulnerability
PowerShell Elevation of Privilege Vulnerability.
- Record
GHSA-q7x5-x7rr-2859- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-powershell-2022-26788 No score
PowerShell Elevation of Privilege Vulnerability
PowerShell Elevation of Privilege Vulnerability
- Record
BIT-powershell-2022-26788- Updated
- 2026-11-02
Affected products
- microsoft powershell
- microsoft powershell 7.0
- microsoft powershell 7.1
- microsoft powershell 7.2
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows 10 version 1909
- microsoft windows 10 version 20h2
- microsoft windows 10 version 21h1
- microsoft windows 10 version 21h2
- microsoft windows 11 version 21h2
Show 17 moreShow less
- 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 windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server version 20h2
- microsoft windows 10
- microsoft windows 11
- microsoft windows rt 8.1
- microsoft windows server 2008
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Microsoft.PowerShell.SDKNuGet |
7.0.0-preview.1 up to 7.0.10 | 7.0.10 |
Microsoft.PowerShell.SDKNuGet |
7.1.0-preview.1 up to 7.1.7 | 7.1.7 |
Microsoft.PowerShell.SDKNuGet |
7.2.0-preview.1 up to 7.2.3 | 7.2.3 |
powershellBitnami |
7.0.0 up to 7.0.10, 7.1.0 up to 7.1.7, 7.2.0 up to 7.2.3 | 7.0.107.1.77.2.3 |
Microsoft.PowerShell.SDKNuGet |
7.0.0-preview.1 up to 7.0.10, plus listed versions 7.0.07.0.17.0.27.0.37.0.4 Show 5 moreShow less7.0.57.0.67.0.77.0.87.0.9 |
7.0.10 |
Microsoft.PowerShell.SDKNuGet |
7.1.0-preview.1 up to 7.1.7, plus listed versions 7.1.07.1.17.1.27.1.37.1.47.1.57.1.6 |
7.1.7 |
Microsoft.PowerShell.SDKNuGet |
7.2.0-preview.1 up to 7.2.3, plus listed versions 7.2.07.2.17.2.2 |
7.2.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-26788 is a high vulnerability (CVSS 7.8) in Microsoft Powershell, published April 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. Fixed in Microsoft.PowerShell.SDK 7.0.10.