CVE-2026-70105

Published: Aug 20, 2026Modified: Sep 4, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

Affected (11)

Products: Microsoft: Microsoft 365, Office, Office 2021, Office 2024, Word

5 products

Configuration A

11 vulnerable

Vulnerable Software	Affected Versions
Microsoft Microsoft 365	All versions
Microsoft Office	Version 2019
Microsoft Office	Version 2019
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
Microsoft Office 2024	All versions
Microsoft Word	Version 2016
Microsoft Word	Version 2016

Related CWEs

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70105

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.