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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 (Chromium-based) versions prior to 140.0.7339.208

Overview

Multiple vulnerabilities have been reported in Microsoft Edge (Chromium-based), which could allow a remote attacker to obtain sensitive information and execute arbitrary code on the targeted system.

Target Audience:

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

Risk Assessment:

High risk of unauthorized access to sensitive data.

Impact Assessment:

Potential for remote code execution 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 Integer overflow in V8 and Side-channel information leakage in V8. A remote attacker could exploit these vulnerabilities by convincing users to visit a maliciously crafted website or by embedding malicious content.

Successful exploitation of these vulnerabilities could allow a remote attacker to obtain sensitive information and execute arbitrary code on the targeted system.

Solution

Apply appropriate updates as mentioned by the vendor:

https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnotes-security#september-25-2025

References

Microsoft

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-10890

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-10891

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-10892

CVE Name

CVE-2025-10890

CVE-2025-10891

CVE-2025-10892

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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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