CVE-2026-11645 — Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

provenance: imported · CVE: CVE-2026-11645

CVE-2026-11645: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

CISA Known Exploited Vulnerability (KEV)


Vendor / project	Google
Product	Chromium V8
Date added	2026-06-09
Due date	2026-06-23
Ransomware campaign use	Unknown

Description

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.

Required action (CISA)

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

Notes

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html ; https://issues.chromium.org/issues/506689381 ; https://nvd.nist.gov/vuln/detail/CVE-2026-11645

References

NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11645
KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

concept/cve-anatomy