CVE-2025-21402 is a remote code execution vulnerability affecting Microsoft Office OneNote. This high-severity flaw (CVSS 7.8) can be exploited with low attack complexity, requiring user interaction, and could lead to complete compromise of confidentiality, integrity, and availability. While not currently listed on CISA's KEV catalog and lacking public exploit code, it has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2024CPE matchmatch criteria | cpe:2.3:a:microsoft:office:2024:*:*:*:ltsc:macos:*:* | ||
2021CPE matchmatch criteria | cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:onenote:-:*:*:*:*:macos:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.