Medium severity · published Sep 5, 2025
CVE-2025-53791
Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
4.7
CVSS
0.4%
EPSS
No
On KEV
Description
Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% 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 140.0.3485.54 · source: vendor
EC
Edge Chromium · Microsoft
before 140.0.3485.54 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-53791
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-53791
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53791
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