CVE-2025-53791

Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

CVE-2025-53791 is fixed in 4 products on 1 platform, first by Microsoft Edge Dev 141.0.3500.1, released August 19, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

4.7

Moderate

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0041

35th percentile

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

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Microsoft Edge	140.0.3485.54	Microsoft Edge 140.0.3485.54	Sep 5, 2025
Microsoft Edge Beta	140.0.3485.54	Microsoft Edge Beta 140.0.3485.54	Sep 5, 2025
Microsoft Edge Dev	141.0.3500.1	Microsoft Edge Dev 141.0.3500.1	Aug 19, 2025
Microsoft Edge WebView2 Runtime	140.0.3485.54	Microsoft Edge WebView2 Runtime 140.0.3485.54	Sep 5, 2025

Details

Published
September 5, 2025
Weakness
Improper Access Control
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53791

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