CVE-2026-88195
Undergoing Analysis
Undergoing Analysis - In Progress
Buffer Over-Read in Microsoft Office Excel
Vulnerability report for CVE-2026-88195, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-13
Last updated on: 2026-10-13
Assigner: Microsoft Corporation
Description
Description
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Microsoft | Microsoft | 365 Apps for Enterprise 16.0.1 |
| Microsoft | Microsoft | Office LTSC 2021 16.0.1 |
| Microsoft | Microsoft | Office LTSC 2024 16.0.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-191 | The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. |
| CWE-126 | The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. |
