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Microsoft Security Response CenterCVE-2026-121674

PowerShell Information Disclosure Vulnerability

HighVendor CVSS 6.1 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

Insertion of sensitive information into sent data in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.

Products covered

  • PowerShell 7.6

  • PowerShell 7.7

Remediation

Release Notes

Vendor-listed fixes

  • 7.6.10

  • 7.7.0

CVEs in this advisory 1

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.