CVE-2025-62201 is a critical heap-based buffer overflow vulnerability in Microsoft Office Excel, impacting various Microsoft Office products including Microsoft 365 Apps and Office Online Server. With a CVSS score of 7.8 (HIGH), this flaw allows an unauthenticated attacker to execute arbitrary code locally through user interaction, posing a significant risk to confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered notable community discussion and media coverage, indicating awareness within the security community. Microsoft addressed this vulnerability in its November 2025 Patch Tuesday, highlighting its importance.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:* | ||
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:* | ||
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:* | ||
2019CPE matchmatch criteria | cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:* |
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.