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PatchSiren cyber security CVE debrief

CVE-2026-76045 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-18T21:18:28.643Z and has not been modified since then. The CVE-2026-76045 vulnerability is a use-after-free issue in WebGL in Google Chrome prior to version 151.0.7922.169. This vulnerability could allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The Chromium security severity is rated as High with a CVSS score of 8.8. Evidence of exploitation is limited, and defenders should verify system logs for potential exploitation attempts. Organizations and individuals using Google Chrome for browsing, especially in environments where security is a top priority, should be aware of this vulnerability and take immediate action to patch their browsers.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-18
Original CVE updated
2026-08-21
Advisory published
2026-08-18
Advisory updated
2026-08-21

Who should care

Organizations and individuals using Google Chrome for browsing, especially in environments where security is a top priority, should be aware of this vulnerability and take immediate action to patch their browsers. IT teams, security teams, and system administrators should prioritize patching vulnerable systems and monitoring for potential exploitation attempts.

Technical summary

The CVE-2026-76045 vulnerability is a use-after-free issue in WebGL in Google Chrome prior to version 151.0.7922.169. This vulnerability could allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The Chromium security severity is rated as High with a CVSS score of 8.8. The vulnerability exists in the WebGL component of Google Chrome, which is a critical part of the browser's graphics rendering engine. Affected systems may be vulnerable to code execution.

Defensive priority

High severity vulnerability in Google Chrome, requiring immediate attention to prevent potential code execution.

Recommended defensive actions

  • Apply the official patch: Upgrade Google Chrome to version 151.0.7922.169 or later.
  • Inventory and verify affected systems: Check if any systems are running vulnerable versions of Google Chrome.
  • Monitor for suspicious activity: Keep an eye on system logs for potential exploitation attempts.
  • 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-2026-76045 vulnerability is a use-after-free issue in WebGL in Google Chrome prior to version 151.0.7922.169. This vulnerability could allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The Chromium security severity is rated as High with a CVSS score of 8.8. Evidence of exploitation is limited, and defenders should verify system logs for potential exploitation attempts.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-18T21:18:28.643Z and has not been modified since then.