PT-2025-1292 · Microsoft · Office Onenote

Shubh Sidhu · Published 2025-01-14 · Updated 2026-05-19 · CVE-2025-21402

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Office OneNote (affected versions not specified)

Description The issue is related to incorrect restriction of file names and other resources in Microsoft Office OneNote. This can allow an attacker to execute arbitrary code.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-641

Related Identifiers

BDU:2025-00760

CVE-2025-21402

Affected Products

Office Onenote

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21402 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21402 · Security Note
• https://bdu.fstec.ru/vul/2025-00760 · Security Note
• https://osv.dev/vulnerability/CVE-2025-21402 · Vendor Advisory
• https://t.me/cvedetector/15318 · Telegram Post
• https://twitter.com/f1tym1/status/2056887500862357576 · Twitter Post
• https://twitter.com/windowsforum/status/1879262734862147954 · Twitter Post