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Google Chrome and Microsoft Edge urgently patch critical actively exploited vulnerabilities

On March 13, 2026, Google and Microsoft released security updates addressing critical vulnerabilities in Chrome and Edge browsers. CVE-2026-3909 and CVE-2026-3910, both listed in CISA's Known Exploited Vulnerabilities catalog, are actively exploited zero-days with high severity scores.

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  • Canadian Centre for Cyber Security - Alerts
    cyber.gc.ca
  • Actively exploited Google Chrome zero-days receive emergency fixes
    SC Media
  • ALERT chromium: CVSS (Max): 8.8
    AusCERT - Bulletins
  • Chromium: CVE-2026-3909 Out of bounds write in Skia
    Microsoft Security Update Guide (MSRC) RSS
  • Microsoft Edge security advisory (AV26-243)
    Canadian Centre for Cyber Security - Alerts