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Microsoft Security Response CenterCVE-2026-58612

PowerShell Information Disclosure Vulnerability

HighVendor CVSS 7.4 / 10 1 CVE Published Aug 11, 2026 at 7:00 AM UTC

Summary

Server-side request forgery (ssrf) in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.

Products covered

  • PowerShell 7.5

  • PowerShell 7.4

  • PowerShell 7.6

Remediation

See the Microsoft Security Update Guide for the update that applies to your product.

Vendor-listed fixes

  • 7.5.10.0

  • 7.4.19.0

  • 7.6.5

CVEs in this advisory 1

Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • The vendor changed the advisory's last-updated date.
    • The vendor changed its remediation guidance.

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.