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CVE-2026-7360 Google CVE debrief

CVE-2026-7360 is a vulnerability in Google Chrome prior to 147.0.7727.138. Insufficient validation of untrusted input in Compositing allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. This vulnerability has a High severity rating according to Chromium. The affected product is Google Chrome, and the vulnerability class is related to input validation. The likely operational impact is that an attacker could bypass site isolation, potentially leading to further exploitation. The source confidence is limited to the information provided in the CVE record and NVD entry.

Vendor
Google
Product
Chrome
CVSS
LOW 3.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-28
Original CVE updated
2026-07-24
Advisory published
2026-04-28
Advisory updated
2026-07-24

Who should care

Users of Google Chrome prior to version 147.0.7727.138 should update to the latest version to mitigate this vulnerability. This includes operators, platform administrators, vulnerability management teams, and security teams who are responsible for ensuring the security of Google Chrome deployments. The vulnerability affects Google Chrome users who have not updated to the latest version.

Technical summary

The vulnerability, CVE-2026-7360, is caused by insufficient validation of untrusted input in Compositing in Google Chrome prior to 147.0.7727.138. This allows a remote attacker who has compromised the renderer process to bypass site isolation via a crafted HTML page. The Chromium security severity of this vulnerability is High. The affected product context is Google Chrome versions prior to 147.0.7727.138. The defensive impact is that users should update to the latest version to mitigate this vulnerability. The technical framing is focused on the insufficient validation of untrusted input in Compositing.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 147.0.7727.138 or later
  • Ensure that site isolation is enabled in Google Chrome
  • Monitor Google Chrome for updates and apply them promptly
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-04-28T23:16:23.570Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Analyzed. The vulnerability affects Google Chrome prior to version 147.0.7727.138. Users should verify their versions and update as necessary. The CVE record provides details on the vulnerability, which is caused by insufficient validation of untrusted input in Compositing. This allows a remote attacker who has compromised the renderer process to bypass site isolation via a crafted HTML page.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-28T23:16:23.570Z and has not been modified since then. The NVD entry is currently Analyzed.