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CVE-2026-11677 Google CVE debrief

CVE-2026-11677 is a High-severity vulnerability in Google Chrome on Mac. A remote attacker who has compromised the network process can potentially perform a sandbox escape via a crafted HTML page. The vulnerability was published on June 9, 2026, and has a CVSS score of 8.3.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Users of Google Chrome on Mac prior to version 149.0.7827.103 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is a race condition in the Network component of Google Chrome on Mac. It allows a remote attacker who has compromised the network process to potentially perform a sandbox escape via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome on Mac to version 149.0.7827.103 or later.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html) for vendor advisory.

Evidence notes

The vulnerability was published on June 9, 2026, and has a CVSS score of 8.3. It is classified as CWE-362.

Official resources

CVE-2026-11677 was published on June 9, 2026.