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Microsoft Security Response CenterCVE-2026-58643

Windows Admin Center Spoofing Vulnerability

High 1 CVE Published Jul 16, 2026 at 7:00 AM UTC

Summary

Improper neutralization of input during web page generation ('cross-site scripting') in Windows Admin Center allows an unauthorized attacker to perform spoofing over a network.

Products covered

  • Windows Admin Center

Remediation

Release Notes

Vendor-listed fixes

  • 2.6.7

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.