Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

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• NewsExploited · CISA KEVGoogle · Chromium V8

  Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

  CVE-2026-11645

  Google Chromium V8 out-of-bounds read and write vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

  CISA's required action · due 23 Jun 2026 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: chromereleases.googleblog.com · issues.chromium.org · nvd.nist.gov

  Added to KEV 9 Jun 2026 · Source checked 4 Nov 2026, 16:30 UTC · CISA KEV entry

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