Server-side Request Forgery in Microsoft PowerShell Core
CVE-2026-58612

7.4HIGH

Key Information:

Vendor

Microsoft
Status
Powershell 7.4
Powershell 7.5
Powershell 7.6
Vendor
CVE Published:
11 August 2026

What is CVE-2026-58612?

A vulnerability in Microsoft PowerShell Core allows unauthorized attackers to perform server-side request forgery (SSRF). This flaw enables attackers to potentially disclose sensitive information by manipulating requests sent through the application, posing serious risks to network security. Users are advised to apply the latest security patch to safeguard their systems against this exposure.

Affected Version(s)

PowerShell 7.4 7.4.0 < 7.4.19.0

PowerShell 7.5 7.5.0 < 7.5.10.0

PowerShell 7.6 7.6.0 < 7.6.5

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.