Microsoft Edge (Chromium-based) Spoofing Vulnerability
Released: Feb 6, 2025
- Assigning CNA
- Microsoft
- CVE.org link
- CVE-2025-21267
- Impact
- Spoofing
- Max Severity
- Low
- Weakness
- CVSS Source
- Microsoft
- Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C
- Metrics
- CVSS:3.1 4.4 / 4.0Base score metrics: 4.4 / Temporal score metrics: 4.0
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Exploit Code Maturity
Proof-of-Concept
Remediation Level
Official Fix
Report Confidence
Confirmed
Please see Common Vulnerability Scoring System for more information on the definition of these metrics.
Exploitability
The following table provides an exploitability assessment for this vulnerability at the time of original publication.
- Publicly disclosed
- No
- Exploited
- No
- Exploitability assessment
- Exploitation Less Likely
FAQ
How could an attacker exploit this vulnerability?
To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.
Additionally, an attacker could convince a local user to open a malicious file. The attacker would have to convince the user to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.
What is the version information for this release?
Microsoft Edge Version | Date Released | Based on Chromium Version |
---|---|---|
133.0.3065.51 | 2/6/2025 | 133.0.6943.53/54 |
According to the CVSS metric, Confidentiality and Integrity are rated as Low and Availability is None (C:L, I:L, A:N). What does that mean for this vulnerability?
An attacker is only able to comprise files that they were allowed access to as part of their initial privilege but cannot affect the availability of the browser.
Acknowledgements
- MOAAD AKHRAZ
Security Updates
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle.
Disclaimer
Revisions
Information published.