CVE-2026-62804

Published: Sep 8, 2026Modified: Sep 8, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

External control of file name or path in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Affected (12)

Products: Microsoft: 365 Apps, Microsoft 365, Office 2016, Office 2019, Office 2021, Office 2024

6 products

Configuration A

12 vulnerable

Vulnerable Software	Affected Versions
Microsoft 365 Apps	All versions
Microsoft 365 Apps	All versions
Microsoft Microsoft 365	All versions
Microsoft Office 2016	All versions
Microsoft Office 2016	All versions
Microsoft Office 2019	All versions
Microsoft Office 2019	All versions
Microsoft Office 2021	All versions
Microsoft Office 2021	All versions
Microsoft Office 2021	All versions
Microsoft Office 2024	All versions
Microsoft Office 2024	All versions

Related CWEs

External Control of File Name or Path

The product allows user input to control or influence paths or file names that are used in filesystem operations.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62804

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.