Actively exploited vulnerability

CVE-2026-11645: 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.

CISA KEV source 9 Jun 2026 added 23 Jun 2026 remediation due

Affected product

Google · Chromium V8

Known ransomware use: Unknown

Required action

Follow the source advisory and validate exposure in your environment.

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

Related Yasna coverage

Recent reporting that mentions CVE-2026-11645.

Security Affairs9 Jun 2026

Google fixes the fifth actively exploited Chrome zero-day of 2026

Google fixed a new Chrome zero-day, tracked as CVE-2026-11645, in the V8 JavaScript engine, which is already being exploited in the wild. Google released emergency updates to address a new Chrome zero-day vulnerability, tracked as CVE-2026-11645, that has been exploited in the wild. This flaw is the fifth Chrome zero-day that is being exploited in […]