CVE-2026-11645
Google Chromium V8 Out-of-Bounds Read and Write Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 23 June 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.19% probability · 81th percentile
- CISA KEV
- Listed 9 June 2026 · due 23 June 2026
- Weakness
- CWE-125, CWE-787
- Affected
- google/chrome
- Source
- chrome-cve-admin@google.com
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. 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
- https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/506689381Permissions Required
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.