Vulnerability · NVD

CVE-2026-40421

CVE-2026-40421, medium severity (CVSS 4.3): 3 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 4.3
Exploitation: 0.6 %
Tracked apps: 3
Still exposed: 0

Published on 2026-05-12

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

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS 0.62% exploit very unlikely percentile 47.3%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Microsoft Office macOS brew:cask:microsoft-office

Affected - Fixed in - Latest tracked 16.112.26082125 undetermined
Microsoft Word macOS com.microsoft.Word

Affected - Fixed in - Latest tracked 16.112.2 undetermined
Microsoft Office Windows winget:Microsoft.Office

Affected - Fixed in - Latest tracked - undetermined

Vulnerable CPE configurations (16)

Vendor	Product	Platform	Versions	CPE 2.3 URI
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2019::::::x64:
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2019::::::x64:
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2019::::::x86:
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2019::::::x86:
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2024::::ltsc::x64:*
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2024::::ltsc::x64:*
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2024::::ltsc::x86:*
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2024::::ltsc::x86:*
microsoft	office_long_term_servicing_channel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021::::::x64:
microsoft	office_long_term_servicing_channel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021::::::x64:
microsoft	office_long_term_servicing_channel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021::::::x86:
microsoft	office_long_term_servicing_channel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021::::::x86:
microsoft	word All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:word:2016::::::x64:
microsoft	word All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:word:2016::::::x64:
microsoft	word All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:word:2016::::::x86:
microsoft	word All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:word:2016::::::x86:

View on NVD ↗ Advisory · msrc.microsoft.com