CVE-2026-77900

CriticalCVSS 9.8/10Last modified Oct 10, 2026

Description

Missing authentication for critical function in Azure App Service allows an unauthorized attacker to execute code over a network.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-306

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
MicrosoftAzure App Service for Linux-

References

Timeline

Published
Oct 8, 2026
Last modified
Oct 10, 2026
NVD status
Awaiting Analysis

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CVE-2026-77900: Critical severity, CVSS 9.8 | Vulnix