CVE-2026-76022 Google CVE debrief

Who should care

Organizations and individuals using Google Chrome for browsing, especially in environments where security is critical (e.g., enterprise networks, public Wi-Fi). Developers and security teams responsible for maintaining Chrome deployments should prioritize patching. Additionally, IT teams and system administrators who manage Chrome installations in their organizations should be aware of this vulnerability and take necessary actions to protect their systems. Users of Chrome-based browsers, such as Chromium, may also be affected and should ensure they are using the latest version of their browser.

Technical summary

A buffer overflow vulnerability exists in the Network component of Google Chrome prior to version 151.0.7922.173. This vulnerability, CVE-2026-76022, allows a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. The vulnerability has been classified as High severity by the Chromium security team. The buffer overflow occurs when the browser processes a specially crafted HTML page, potentially allowing an attacker to gain control over the system. It is essential for organizations to update their Chrome installations to version 151.0.7922.173 or later to mitigate this vulnerability.

Defensive priority

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

Recommended defensive actions

• Apply the latest Google Chrome update (version 151.0.7922.173 or later) to vulnerable installations.
• Inventory Chrome installations to identify potentially vulnerable versions.
• Monitor for suspicious activity related to crafted HTML pages.
• Consider implementing compensating controls, such as network-based protections, until patching can be applied.
• 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.

Evidence notes

Evidence from official sources, including NVD and CVE.org, indicates a high-severity buffer overflow vulnerability in Google Chrome prior to version 151.0.7922.173. Limited details are available on the exact scope of affected systems and potential attack vectors. The vulnerability has been classified as High severity by the Chromium security team. A remote attacker could exploit this vulnerability to execute arbitrary code outside the sandbox via a crafted HTML page. Organizations should verify their Chrome deployments and ensure they are updated to the latest version.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.