CVE-2025-53791

Name: CVE-2025-53791
Creator: NVD / NIST
Published: 2025-09-05T21:15:38.643+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2025-53791 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

Metrics

CVSS 3.1

4.7/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.36%

28.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Microsoft	Edge Chromium	< 140.0.3485.54

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53791Vendor Advisory

Timeline

Published: Sep 5, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-53791?

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

How severe is CVE-2025-53791?

CVE-2025-53791 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53791?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53791?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST