Microsoft Azure App Service For Linux vulnerabilities

2 CVEs affecting Microsoft Azure App Service For Linux, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-77900, published 2026-10-08.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-58630, published 2026-07-24. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. Improper access control in Azure App Service allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-77900, published 2026-10-08. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. Missing authentication for critical function in Azure App Service allows an unauthorized attacker to execute code over a network.