CVE-2026-97760

Analyzed Analyzed - Analysis Complete

Out-of-bounds Read in Microsoft Office Excel

Publication date: 2026-10-13

Last updated on: 2026-10-15

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-15

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-97760

EUVD

EUVD-2026-100297

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_apps	*
microsoft	365_apps	*
microsoft	microsoft_365	*
microsoft	office_2021	*
microsoft	office_2021	*
microsoft	office_2021	*
microsoft	office_2024	*
microsoft	office_2024	*
microsoft	office_2024	*
microsoft	office_online_server	to 16.0.10417.20228 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in Microsoft Office Excel. It allows an unauthorized attacker to access and disclose information over a network without needing special permissions.

Impact Analysis

An attacker could exploit this to read sensitive data from your system, potentially exposing confidential information stored in Excel files or related applications.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, which may violate GDPR or HIPAA requirements for data protection and confidentiality.

Mitigation Strategies

Apply the latest security updates from Microsoft for affected Office products immediately. Monitor Microsoft's update guide for patches and install them as soon as available.

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