Vulnerabilities in pkg:nuget/Microsoft.PowerShell.SDK

PACKAGE
Advisory Identifier: GHSA-q7x5-x7rr-2859
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Advisory Summary

CVE-2022-26788 is a HIGH (CVSS 7.8) powershell elevation of privilege vulnerability vulnerability (General Security Weakness) affecting Microsoft.PowerShell.SDK libraries in the NuGet ecosystem. The issue involves powershell elevation of privilege vulnerability. Remediation is available by upgrading affected packages to version 7.0.10, 7.1.7, 7.2.3.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:nuget/Microsoft.PowerShell.SDK

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:nuget/Microsoft.PowerShell.SDK. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-q7x5-x7rr-2859 CVE-2022-26788 HIGH PowerShell Elevation of Privilege Vulnerability

CVE-2022-26788 at a Glance

CVE Identifier CVE-2022-26788
GHSA Identifier GHSA-q7x5-x7rr-2859
Severity HIGH
CVSS v3.1 Base Score 7.8
CWE Classification General Security Weakness
Affected Product Microsoft.PowerShell.SDK
Package Ecosystem NuGet
Published Date
Last Updated

Security Impact

CVSS: 7.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Local (AV:L)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-26788

To remediate this vulnerability, upgrade all affected Microsoft.PowerShell.SDK dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Microsoft.PowerShell.SDK fixed: 7.0.10 
Upgrade Microsoft.PowerShell.SDK to 7.0.10
Microsoft.PowerShell.SDK fixed: 7.1.7 
Upgrade Microsoft.PowerShell.SDK to 7.1.7
Microsoft.PowerShell.SDK fixed: 7.2.3 
Upgrade Microsoft.PowerShell.SDK to 7.2.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for Microsoft.PowerShell.SDK

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-26788, inspect your project dependencies for Microsoft.PowerShell.SDK:

inspect dependencies for Microsoft.PowerShell.SDK

Analyze the terminal output to locate any version of Microsoft.PowerShell.SDK in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 7.0.10), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Microsoft.PowerShell.SDK, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

PowerShell Elevation of Privilege Vulnerability.

CVE-2022-26788 Affected Microsoft.PowerShell.SDK Versions

3 component(s)
Fixed Versions:
7.0.107.1.77.2.3
Product / Package Ecosystem Affected Versions Fixed Version
Microsoft.PowerShell.SDK
nuget/Microsoft.PowerShell.SDK
NuGet
≥ 7.0.0-preview.1
< 7.0.10
7.0.10
Microsoft.PowerShell.SDK
nuget/Microsoft.PowerShell.SDK
NuGet
≥ 7.1.0-preview.1
< 7.1.7
7.1.7
Microsoft.PowerShell.SDK
nuget/Microsoft.PowerShell.SDK
NuGet
≥ 7.2.0-preview.1
< 7.2.3
7.2.3

References

NVD — CVE-2022-26788 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-26788
Microsoft.PowerShell.SDK Source Repository REPOSITORY
https://github.com/PowerShell/Announcements/issues/31
Microsoft.PowerShell.SDK Source Repository REPOSITORY
https://github.com/PowerShell/PowerShell
msrc.microsoft.com/update-guide/vulner... WEB
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26788
Microsoft.PowerShell.SDK Security Information SECURITY
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26788

Frequently Asked Questions

What is CVE-2022-26788?
CVE-2022-26788 is a security vulnerability in Microsoft.PowerShell.SDK involving PowerShell Elevation of Privilege Vulnerability under General Security Weakness.
Which Microsoft.PowerShell.SDK versions are affected?
Affected versions include releases prior to 7.0.10, 7.1.7, 7.2.3 across affected packages: Microsoft.PowerShell.SDK.
What version fixes CVE-2022-26788?
Upgrading to 7.0.10, 7.1.7, 7.2.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Microsoft.PowerShell.SDK affected?
Yes, Microsoft.PowerShell.SDK is affected in releases prior to 7.0.10, 7.1.7, 7.2.3. Upgrade your dependency to 7.0.10, 7.1.7, 7.2.3 or later.
What is the CVSS score of CVE-2022-26788?
CVE-2022-26788 has a CVSS v3.1 base score of 7.8 (HIGH) with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-26788?
CVE-2022-26788 is classified under General Security Weakness.
How can I check NuGet dependencies for CVE-2022-26788?
Run the dependency tree command: 'inspect dependencies for Microsoft.PowerShell.SDK'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-q7x5-x7rr-2859",
  "modified" : "2025-10-13T20:34:19Z",
  "published" : "2022-04-16T00:00:33Z",
  "aliases" : [ "CVE-2022-26788" ],
  "summary" : "PowerShell Elevation of Privilege Vulnerability",
  "details" : "PowerShell Elevation of Privilege Vulnerability.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.PowerShell.SDK"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.0.0-preview.1"
      }, {
        "fixed" : "7.0.10"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.PowerShell.SDK"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.1.0-preview.1"
      }, {
        "fixed" : "7.1.7"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "NuGet",
      "name" : "Microsoft.PowerShell.SDK"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.2.0-preview.1"
      }, {
        "fixed" : "7.2.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-26788"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/PowerShell/Announcements/issues/31"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/PowerShell/PowerShell"
  }, {
    "type" : "WEB",
    "url" : "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26788"
  }, {
    "type" : "WEB",
    "url" : "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26788"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-10-13T20:34:19Z",
    "nvd_published_at" : "2022-04-15T19:15:00Z"
  }
}