High severity · published Feb 6, 2025
CVE-2025-21283
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
8.8
CVSS
1.5%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Microsoft Edge (Chromium-based) · Microsoft
1.0.0.0 before 133.0.3065.51 · source: vendor
EC
Edge Chromium · Microsoft
before 133.0.3065.51 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21283
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21283
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