CVE-2026-45459
Undergoing Analysis Undergoing Analysis - In Progress
Microsoft Office Excel Security Feature Bypass

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
CVE-2026-45459
EUVD
EUVD-2026-35541
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-693 The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
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Executive Summary

This vulnerability is a protection mechanism failure in Microsoft Office Excel that allows an unauthorized attacker to bypass a security feature locally.

Impact Analysis

The impact of this vulnerability is that an unauthorized attacker can bypass a security feature on a local system, potentially reducing the effectiveness of security controls in Microsoft Office Excel.

Compliance Impact

The provided information does not specify how this vulnerability impacts compliance with common standards and regulations such as GDPR or HIPAA.

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