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Multiple Vulnerabilities in Microsoft Edge (Chromium-based) 

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: HIGH

Software Affected

Microsoft Edge Stable Channel (Chromium-based) versions prior to 141.0.3537.71

Overview

Multiple vulnerabilities have been reported in Microsoft Edge (Chromium-based) which could allow a remote attacker to execute arbitrary code or cause denial-of-service (DoS) on the targeted system.

Target Audience:

All end-user organizations and individuals using Microsoft Edge (Chromium-based).

Risk Assessment:

High risk of remote code execution.

Impact Assessment:

Potential for unauthorized data access or service disruption.

Description

Microsoft Edge (Chromium-based) is a web browser developed by Microsoft using the Chromium engine, offering fast performance, enhanced security, and compatibility with modern web standards while integrating with Microsoft services.

Multiple vulnerabilities exist in Microsoft Edge (Chromium-based) due to Heap buffer overflow in Sync and   Use after free in Storage. A remote attacker could exploit these vulnerabilities by persuading a victim to visit a specially crafted web page.

Successful exploitation of these vulnerabilities could allow a remote attacker to execute arbitrary code or cause denial-of-service (DoS) on the targeted system.

Solution

Apply appropriate updates as mentioned by the vendor.

https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#october-9-2025

Vendor Information

Microsoft

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-11458

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-11460

References

Microsoft

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-11458

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-11460

CVE Name

CVE-2025-11458

CVE-2025-11460

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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