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Vulnerability record · CVE-2019-1372 · published 10 October 2019

CVE-2019-1372: Microsoft azure app service on azure stack vulnerability

Microsoft · Azure App Service On Azure Stack

An remote code execution vulnerability exists when Azure App Service/ Antares on Azure Stack fails to check the length of a buffer prior to copying memory to it.An attacker who successfully exploited this vulnerability could allow an unprivileged function run by the user to execute code in the context of NT AUTHORITY\system thereby escaping the Sandbox.The security update addresses the vulnerability by ensuring that Azure App Service sanitizes user inputs., aka 'Azure App Service Remote Code Execution Vulnerability'.

10.0 CVSS 3.1 Critical EPSS 19% · top 2.8%
10.0CVSS 3.1 base score, v2 10.0
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An remote code execution vulnerability exists when Azure App Service/ Antares on Azure Stack fails to check the length of a buffer prior to copying memory to it.An attacker who successfully exploited this vulnerability could allow an unprivileged function run by the user to execute code in the context of NT AUTHORITY\system thereby escaping the Sandbox.The security update addresses the vulnerability by ensuring that Azure App Service sanitizes user inputs., aka 'Azure App Service Remote Code Execution Vulnerability'.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1372 PatchVendor Advisory
https://research.checkpoint.com/2020/remote-cloud-execution-critical-vulnerabilities-in-azure-cloud-infrastructure-part-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1372 PatchVendor Advisory
https://research.checkpoint.com/2020/remote-cloud-execution-critical-vulnerabilities-in-azure-cloud-infrastructure-part-

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2023-21777Microsoft azure app service on azure stack improper access control vulnerabilityAzure App Service on Azure Stack Hub Elevation of Privilege VulnerabilityEPSS 0.35%6.1CVE-2018-8600Microsoft azure app service on azure stack cross-site scripting vulnerabilityA Cross-site Scripting (XSS) vulnerability exists when Azure App Services on Azure Stack does not properly sanitize user provided input, aka "Azure A…EPSS 2.3%5.5CVE-2025-53765Microsoft azure app service on azure stack vulnerabilityExposure of private personal information to an unauthorized actor in Azure Stack allows an authorized attacker to disclose information locally.EPSS 0.49%

Source: NIST National Vulnerability Database (record CVE-2019-1372), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.