CVE-2025-55241 is a critical Elevation of Privilege vulnerability affecting Microsoft Entra ID, allowing an attacker to gain unauthorized access to any company's tenant using a single token from a test tenant. With a CVSS score of 10.0 (CRITICAL), this vulnerability has a low attack complexity and requires no user interaction, enabling complete compromise of confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog, the vulnerability has garnered significant community discussion and media attention, though no public exploit code or active exploitation has been confirmed.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:entra_id:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.