# CVE-2019-0648: Scripting Engine Information Disclosure Vulnerability

CVE-2019-0648 is fixed in 4 products on 1 platform, first by KB4487044, released February 12, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2019-0648
- Priority: Urgent
- CVSS: 4.3 (Important)
- EPSS: 0.0543
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Feb 12, 2019
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0648

## Description

<p>An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker must know the memory address of where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain functions handle objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems | 17763.316 | [KB4487044](https://patchblox.com/security/data/fix/microsoft/kb4487044.md) | Feb 12, 2019 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems | 17763.316 | [KB4487044](https://patchblox.com/security/data/fix/microsoft/kb4487044.md) | Feb 12, 2019 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems | 17763.316 | [KB4487044](https://patchblox.com/security/data/fix/microsoft/kb4487044.md) | Feb 12, 2019 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows Server 2019 | 17763.316 | [KB4487044](https://patchblox.com/security/data/fix/microsoft/kb4487044.md) | Feb 12, 2019 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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