What is CVE-2026-118740?

CVE-2026-118740 is a critical-severity vulnerability in Microsoft Aspire Dashboard, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-11-10.

How severe is CVE-2026-118740?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Microsoft Aspire Dashboard

CVE-2026-118740

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

Vulnerability class: Broken Access Control

Published 2026-11-10 · last modified 2026-11-10.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118740 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-118740?: CVE-2026-118740 is a critical-severity vulnerability in Microsoft Aspire Dashboard, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-11-10.
How severe is CVE-2026-118740?: Critical severity. CVSS v3 base score is 9.1 out of 10.