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PatchSiren cyber security CVE debrief

CVE-2026-7363 Google CVE debrief

CVE-2026-7363 is a high-severity vulnerability in Google Chrome on Linux and ChromeOS, caused by a use-after-free issue in the Canvas component. This allows remote code execution via a crafted HTML page. The Chromium security severity is Critical, with a CVSS score of 8.8. Users of Google Chrome on Linux and ChromeOS, particularly those who browse the web and may encounter crafted HTML pages, should be aware of this vulnerability and take steps to mitigate it. The vulnerability was published on 2026-04-28T23:16:23.773Z and last modified on 2026-07-24T08:10:00.150Z.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
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 on Linux and ChromeOS, particularly those who browse the web and may encounter crafted HTML pages, should be aware of this vulnerability and take steps to mitigate it. This includes IT administrators responsible for managing Chrome deployments, security teams monitoring for potential threats, and individual users who may be exposed to malicious HTML pages.

Technical summary

The vulnerability is caused by a use-after-free issue in the Canvas component of Google Chrome on Linux and ChromeOS. This allows a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The Chromium security severity of this issue is Critical, with a CVSS score of 8.8. The vulnerability affects Google Chrome versions prior to 147.0.7727.138 on Linux and ChromeOS. Users should update to the latest version to mitigate the risk.

Defensive priority

High

Recommended defensive actions

  • Apply the latest Google Chrome update (version 147.0.7727.138 or later) to patch the vulnerability.
  • Use a web browser other than Google Chrome until the patch is applied.
  • Implement additional security measures, such as sandboxing and monitoring, to detect and prevent exploitation.
  • 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 2026-04-28T23:16:23.773Z and was last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Analyzed. This vulnerability affects Google Chrome on Linux and ChromeOS, particularly versions prior to 147.0.7727.138. Users should verify their current version and update as necessary. The vulnerability has a high severity with a CVSS score of 8.8, indicating a critical risk. Evidence from the CVE record and NVD entry supports this assessment.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-28T23:16:23.773Z and has not been modified since then. The NVD entry is currently Analyzed.