Risk Letters

Exploited vulnerability

CVE-2026-11645

TLP:CLEAR

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

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.

Facts

  • Vendor: Google
  • Product: Chromium V8
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 2.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 9 June 2026
  • First known exploitation: 9 June 2026
  • CISA's deadline for US federal agencies: 23 June 2026
  • Weakness: CWE-787
  • First seen by Risk Letters: 9 June 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD