PatchSiren cyber security CVE debrief

CVE-2026-76020 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-20T21:17:10.167Z and has not been modified since then. CVE-2026-76020 indicates a race condition in V8 in Google Chrome prior to 151.0.7922.173. This High severity vulnerability, with a CVSS score of 7.5, allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Users and administrators of Google Chrome should be aware of this vulnerability and take action to mitigate the risk. This includes reviewing and applying patches from the vendor and monitoring for crafted HTML pages in network traffic. Evidence is limited, and additional verification is required to assess full impact. Defenders should verify Chrome version deployments and review official advisories.

Vendor: Google
Product: Chrome
CVSS: HIGH 7.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-08-20
Original CVE updated: 2026-08-22
Advisory published: 2026-08-20
Advisory updated: 2026-08-22

Who should care

Users and administrators of Google Chrome, especially those in environments where Chrome is used for critical tasks or exposed to untrusted web content, should be aware of this vulnerability and take action to mitigate the risk. This includes reviewing and applying patches from the vendor, monitoring for crafted HTML pages in network traffic, and enforcing sandboxing for Chrome processes. Chrome users in high-risk environments should prioritize updating to version 151.0.7922.173 or later.

Technical summary

A race condition in the V8 engine of Google Chrome prior to version 151.0.7922.173 allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability is classified as High severity by Chromium. This issue affects Google Chrome deployments in environments where Chrome is used for critical tasks or exposed to untrusted web content. Users of Google Chrome prior to version 151.0.7922.173 are advised to update to mitigate the risk of arbitrary code execution inside the sandbox via a crafted HTML page.

Defensive priority

This CVE is classified as HIGH severity with a CVSS score of 7.5, indicating a significant risk. Users of Google Chrome prior to version 151.0.7922.173 are advised to update to mitigate the risk of arbitrary code execution inside the sandbox via a crafted HTML page.

Recommended defensive actions

Update Google Chrome to version 151.0.7922.173 or later
Review and apply patches from the vendor
Monitor for crafted HTML pages in network traffic
Enforce sandboxing for Chrome processes
Consider implementing compensating controls for high-risk users

Evidence notes

The CVE-2026-76020 record indicates a race condition in V8 in Google Chrome prior to 151.0.7922.173. The Chromium security severity is classified as High. The CVE details are sourced from official records, but further information about affected versions and user impact is limited in the provided corpus. Defenders should verify Chrome version deployments, review official advisories, and monitor for crafted HTML pages. Evidence is limited, and additional verification is required to assess full impact.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-20T21:17:10.167Z and has not been modified since then.