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NVD Vulnerability Details :
CVE-2026-40421
Received
More InfoOfficial Page
Source-secure@microsoft.com
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 18:17
Updated At-12 May, 2026 | 18:17

External control of file name or path in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Type: Primary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-73Primarysecure@microsoft.com
CWE ID: CWE-73
Type: Primary
Source: secure@microsoft.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40421secure@microsoft.com
N/A
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40421
Source: secure@microsoft.com
Resource: N/A
Change History
0Changes found
Details not found