What is CVE-2026-58643?

CVE-2026-58643 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Admin Center Spoofing Vulnerability

Which CVE IDs does CVE-2026-58643 cover?

CVE-2026-58643 covers the following CVE IDs: CVE-2026-58643. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-58643?

CVE-2026-58643 affects 1 product, including: Windows Admin Center.

CVE-2026-58643High

Windows Admin Center Spoofing Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 17, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-58643 →

📋 Description

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.

🎯 Affected products1

Windows Admin Center

✅ Remediation

KBRelease Notes (Security Update) — fixed build 2.6.7

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58643
patchhttps://aka.ms/DownloadWAC
referencehttps://techcommunity.microsoft.com/blog/Windows-Admin-Center-Blog/windows-admin-center-version-2511-is-now-generally-available/4477048