A critical security vulnerability has been discovered in Chromium-based browsers on Windows platforms, allowing attackers to install arbitrary extensions without user consent. This flaw could be exploited to inject malicious extensions that compromise user privacy, steal sensitive data, or perform unauthorized actions within the browser environment. The vulnerability stems from improper validation in the extension installation process, enabling attackers to bypass security restrictions. Users of popular Chromium browsers such as Google Chrome, Microsoft Edge, and others are urged to update to the latest versions where patches have been applied. Cybersecurity experts emphasize the importance of timely updates and cautious extension management to mitigate risks. This incident highlights ongoing challenges in browser security and the need for robust defenses against extension-based attacks. Organizations should review their endpoint protection strategies and educate users about the dangers of untrusted browser extensions. The vulnerability has been assigned a CVE identifier and is under active monitoring by security researchers and vendors. Staying informed and proactive is essential to protect against exploitation attempts leveraging this weakness in Chromium browsers on Windows.
This Cyber News was published on cybersecuritynews.com. Publication date: Wed, 24 Sep 2025 13:18:03 +0000