CVE-2026-78519
Undergoing Analysis
Undergoing Analysis - In Progress
Use of Uninitialized Resource in Microsoft Office Outlook Allows Code Execution
Vulnerability report for CVE-2026-78519, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-08
Last updated on: 2026-09-09
Assigner: Microsoft Corporation
Description
Description
Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | office_outlook | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-908 | The product uses or accesses a resource that has not been initialized. |
