Forwarded from National Cybersecurity Information Sharing and Analysis Center: Cybersecurity Alert NISAC-200-202603-00000010
[Content Description]
Researchers have discovered 31 high-risk security vulnerabilities (CVE-2026-3909, CVE-2026-3910, CVE-2026-3913 to CVE-2026-3932 and CVE-2026-3934 to CVE-2026-3942) in Chromium-based browsers such as Google Chrome, Microsoft Edge, Vivaldi, Brave, and Opera. These vulnerabilities include out-of-bounds write, code injection, and use-after-free vulnerabilities. In the most severe cases, unauthenticated remote attackers could execute arbitrary code within the browser's sandbox environment using specially crafted HTML pages.
CVE-2026-3909 and CVE-2026-3910 have been exploited by hackers. Please confirm and patch them as soon as possible.
[Affected Platforms]
Google Chrome versions prior to 146.0.7680.80 (excluding 146.0.7680.80)
Microsoft Edge versions prior to 146.0.3856.62 (excluding 146.0.3856.62)
Vivaldi versions prior to 7.8.3925.81 (excluding 7.88.132)
Opera versions prior to 128.0.5807.77 (excluding 128.0.5807.77)
[Recommended Measures]
1. Please update Google Chrome to version 146.0.7680.80 (inclusive) or later. https://support.google.com/chrome/answer/95414?hl=zh-Hant
2. Please update Microsoft Edge to version 146.0.3856.62 (inclusive) or later. https://support.microsoft.com/zh-tw/topic/microsoft-edge-%E6%9B%B4%E6%96%B0%E8%A8%AD%E5%AE%9A-af8aaca2-1b69-4870-94fe-18822dbb7ef1
3. Please update Vivaldi browser to version 7.8.3925.81 or later. https://help.vivaldi.com/desktop/install-update/update-vivaldi/
4. Please update Brave browser to version 1.88132 or later. https://community.bravecom/t/how-to-update-brave/384780
5. Please update Opera browser to version 128.0.5807.77 or later. https://help.operacom/en/latest/crashes-and-issues/#updateBrowser
[References]
1. https://support.google.com/chrome/answer/95414?hl=zh-Hant
2. https://support.microsoft.com/zh-tw/topic/microsoft-edge-%E6%9B%B4%E6%96%B0%E8%A8%AD%E5%AE%9A-af8aaca2-1b69-4870-94fe-18822dbb7ef1
3. https://help.vivaldi.com/desktop/install-update/update-vivaldi/
4. https://community.brave.com/t/how-to-update-brave/384780
5. https://help.opera.com/en/latest/crashes-and-issues/#updateBrowser
6. https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html
7. https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html
8. https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_13.html
9. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-3909
10. https://vivaldi.com/blog/desktop/autohide-and-security-updates-vivaldi-browser-snapshot-3970-28/
11. https://www.reddit.com/r/brave_browser/comments/1rtmkxf/release_channel_188132/
12. https://blogs.opera.com/security/2026/03/update-your-browser-security-fix-for-chrome-zero-day-cve-2026-3910/