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CVE-2026-118740

Critical CVSS 9.1

Published 2026-11-10 ยท last changed 2026-11-11

The fix

Microsoft publishes remediation for this across 1 product branch. The fixed build differs per Windows version, so the row that matters is the one matching the machine you are looking at.

Windows version Fixed in build Update Released
Aspire Dashboard on Windows 13.6.5 configuration change 2026-11-11

Having the KB is not the same as knowing whether a machine has it. Windows updates supersede each other, so the update you installed often covers a fix that shipped in an earlier one. Paste your build into the patch checker and it walks that chain for you.

What it is

Missing authorization in Aspire allows an unauthorized attacker to bypass a security feature over a network.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N