CVE-2026-45645
Undergoing Analysis Undergoing Analysis - In Progress
Heap-based Buffer Overflow in Microsoft Office

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code 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-2026-45645
EUVD
EUVD-2026-35691
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft office *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-822 The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.
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Executive Summary

This vulnerability is a heap-based buffer overflow found in Microsoft Office. It allows an unauthorized attacker to execute code locally on the affected system.

Impact Analysis

The vulnerability can lead to remote code execution, enabling an attacker to run arbitrary code on your system with potentially high impact on confidentiality, integrity, and availability.

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