CVE-2025-21401: Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

Overview

Severity
Medium (CVSS 4.5)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C
Category
Edge - Chromium
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2025-Feb
Released
2025-02-13
Last Updated
2025-02-21
EPSS Score
0.41% (percentile: 61.4%)

FAQ

What is the version information for this release? Microsoft Edge Version Date Released Based on Chromium Version 133.0.3065.69 2/14/2025 133.0.6943.98/.99 According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), integrity (I:L) and availability (A:L). What does that mean for this vulnerability? While we cannot rule out the impact to Confidentiality, Integrity, and Availability, the ability to exploit this vulnerability by itself is limited. An attacker would need to combine this with other vulnerabilities to perform an attack. According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to take additional actions prior to exploitation to prepare the target environment. What kind of security feature could be bypassed by successfully exploiting this vulnerability? An attacker who succesfully exploited this could bypass a user gesture requirement. According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? An attacker must send a user a malicious Office file and convince them to open it.

Affected Products (1)

Browser

  • Microsoft Edge (Chromium-based)

Acknowledgments

<a href="https://www.linkedin.com/in/mohd-huzaifa-519a262a4">Mohd Huzaifa</a>, findbug

Revision History

  • 2025-02-13: Information published.
  • 2025-02-21: Updated acknowledgment. This is an informational change only.