Description
Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Published: 2026-05-12
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Mon, 01 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description External control of file name or path in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. Files or directories accessible to external parties in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Tue, 19 May 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft office Long Term Servicing Channel
CPEs cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:*
cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:*
Vendors & Products Microsoft office Long Term Servicing Channel

Sat, 16 May 2026 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft office
Microsoft word
CPEs cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:*
cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:*
cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x64:*
cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:*:x86:*
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:*
Vendors & Products Microsoft office
Microsoft word

Wed, 13 May 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 12 May 2026 17:30:00 +0000

Type Values Removed Values Added
Description External control of file name or path in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Title Microsoft Word Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft word 2016
Weaknesses CWE-73
CPEs cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:office_2019:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*
cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*
cpe:2.3:a:microsoft:word_2016:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Apps
Microsoft office 2019
Microsoft office 2021
Microsoft office 2024
Microsoft word 2016
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft 365 Apps Office Office 2019 Office 2021 Office 2024 Office Long Term Servicing Channel Word Word 2016
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-19T16:12:25.644Z

Reserved: 2026-04-13T00:27:50.799Z

Link: CVE-2026-40421

cve-icon Vulnrichment

Updated: 2026-05-13T19:32:37.853Z

cve-icon NVD

Status : Modified

Published: 2026-05-12T18:17:20.320

Modified: 2026-06-17T10:45:17.897

Link: CVE-2026-40421

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T21:45:22Z

Weaknesses