CVE-2026-44821
Undergoing Analysis Undergoing Analysis - In Progress
Microsoft Office Out-of-Bounds Read Vulnerability

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVSS Scores
EPSS Scores
Probability:
Percentile:
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
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft office *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is an out-of-bounds read issue in Microsoft Office. It allows an unauthorized attacker to read memory outside the intended boundaries, which can lead to the disclosure of sensitive information on the local system.

Impact Analysis

The impact of this vulnerability is information disclosure. An attacker who exploits this flaw can gain access to sensitive information stored in memory on the affected system without proper authorization.

Compliance Impact

This vulnerability allows an unauthorized attacker to disclose information locally due to an out-of-bounds read in Microsoft Office.

Such unauthorized information disclosure could potentially impact compliance with data protection standards and regulations like GDPR and HIPAA, which require safeguarding sensitive information against unauthorized access.

However, specific details on the nature of the disclosed information or the direct compliance implications are not provided.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-44821. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart