CVE-2026-68797
Received Received - Intake

Out-of-bounds read in Microsoft Office Excel

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

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Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
CVE-2026-68797
EUVD
EUVD-2026-56753

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft office_excel *

Helpful Resources

Exploitability

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

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Executive Summary

This is an out-of-bounds read vulnerability in Microsoft Office Excel. It allows an unauthorized attacker to access memory outside the intended range, which can lead to disclosure of sensitive information stored locally on the affected system.

Impact Analysis

An attacker could exploit this to read data from memory that they should not have access to, potentially exposing confidential or sensitive information stored on your computer.

Mitigation Strategies

Apply the latest security updates from Microsoft for Microsoft Office Excel as soon as they become available to patch the out-of-bounds read vulnerability.

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