# CVE-2019-1372: Azure Stack Remote Code Execution Vulnerability

CVE-2019-1372 is fixed in Windows Azure Pack Web Sites V2 on 1 platform by KB4524964 (version ), released October 9, 2019. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2019-1372
- Priority: Urgent
- CVSS: n/a (Critical)
- EPSS: 0.1854
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Oct 9, 2019
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1372

## Description

<p>A remote code execution vulnerability exists when Azure Stack fails to check the length of a buffer prior to copying memory to it.</p> <p>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.</p> <p>The security update addresses the vulnerability by ensuring that Azure Stack sanitizes user inputs.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows Azure Pack Web Sites V2 |  | [KB4524964](https://patchblox.com/security/data/fix/microsoft/kb4524964.md) | Oct 9, 2019 |

---

Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.