CVE-2026-40421
Modified Modified - Updated After Analysis

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Vulnerability report for CVE-2026-40421, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-12

Last updated on: 2026-06-01

Assigner: Microsoft Corporation

Description

Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-05-12
Last Modified
2026-06-01
Generated
2026-06-30
EPSS Evaluated
2026-06-28
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft office_long_term_servicing_channel 2021

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-73 The product allows user input to control or influence paths or file names that are used in filesystem operations.

Attack-Flow Graph

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0/70

EPSS Chart