【Vulnerability Alert】74 High-Risk Security Vulnerabilities Found in Chromium-Based Browsers, Please Confirm and Apply Patches ASAP

• Subject: 【Vulnerability Alert】74 High-Risk Security Vulnerabilities Found in Chromium-Based Browsers, Please Confirm and Apply Patches ASAP

• Description:
  • Forwarded from National Information Security Sharing and Analysis Center Security Alert NISAC-200-202606-00000006
  • Researchers have discovered 74 high-risk security vulnerabilities (CVE-2026-11628 to CVE-2026-11701) in Chromium-based browsers, including Google Chrome, Microsoft Edge, Vivaldi, Brave, and Opera. The vulnerability types include Use After Free and Out-of-Bounds Memory Access, etc. In the worst-case scenario, an unauthenticated remote attacker can entice users to open a specially crafted HTML page, thereby executing arbitrary code within the browser sandbox environment. Among these, CVE-2026-11645 has already been exploited by hackers. Please confirm and apply patches as soon as possible.
• Affected Platforms:
  • Google Chrome versions prior to 149.0.7827.102 (excluding)
  • Microsoft Edge versions prior to 149.0.4022.62 (excluding)
  • Vivaldi versions prior to 8.0.4033.46 (excluding)
  • Brave versions prior to 1.91.171 (excluding)
  • Opera versions prior to 132.0.5905.37 (excluding)
• Recommended Actions:
  1. Please update Google Chrome browser to version 149.0.7827.102 (including) and later https://support.google.com/chrome/answer/95414?hl=zh-Hant
  2. Please update Microsoft Edge browser to version 149.0.4022.62 (including) and 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 8.0.4033.46 (including) and later https://help.vivaldi.com/desktop/install-update/update-vivaldi/
  4. Please update Brave browser to version 1.91.171 (including) and later https://community.brave.com/t/how-to-update-brave/384780

Please update Opera browser to version 132.0.5905.37 (including) and later https://help.opera.com/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/2026/06/stable-channel-update-for-desktop_0153744567.html
  7. https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnotes-security
  8. https://vivaldi.com/blog/desktop/tabs-and-site-info-vivaldi-browser-snapshot-4070-3/
  9. https://brave.com/latest/
  10. https://blogs.opera.com/security/2026/06/update-your-browser-security-fix-for-chrome-zero-day-cve-2026-11645/

Computer and Communication Center
Network Systems Division Sincerely