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PatchSiren cyber security CVE debrief

CVE-2026-19164 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-06T22:16:58.803Z and has not been modified since then. This vulnerability, CVE-2026-19164, is a critical issue in Google Chrome prior to version 151.0.7922.109, allowing potential sandbox escapes via crafted HTML pages due to insufficient validation of untrusted input in Codecs. The CVSS Score is 9.6, with a CRITICAL severity and High Chromium security severity. Users of affected Chrome versions, IT administrators, security teams, and operators of Chrome-based systems should be aware and take necessary actions to protect their environments. Evidence is limited to CVE and NVD details, so defenders should verify Chrome versions, review risks associated with crafted HTML pages, and monitor for suspicious activity related to Codecs handling. Consider applying Google Chrome updates, restricting access to untrusted HTML pages, and inventory checks for vulnerable Chrome versions.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-06
Original CVE updated
2026-08-08
Advisory published
2026-08-06
Advisory updated
2026-08-08

Who should care

Users of Google Chrome prior to version 151.0.7922.109, IT administrators responsible for Chrome updates, Security teams monitoring for potential sandbox escapes, and operators of Chrome-based systems should be aware of this vulnerability and take necessary actions to protect their environments.

Technical summary

Insufficient validation of untrusted input in Codecs in Google Chrome prior to 151.0.7922.109 allows a remote attacker to potentially perform a sandbox escape via a crafted HTML page. This vulnerability has a CVSS Score of 9.6 and a CVSS Severity of CRITICAL. The Chromium security severity is High. The issue is related to the handling of crafted HTML pages in the Codecs component of Google Chrome.

Defensive priority

Critical vulnerability in Google Chrome prior to 151.0.7922.109, allowing potential sandbox escape via crafted HTML page.

Recommended defensive actions

  • Apply Google Chrome update to version 151.0.7922.109 or later
  • Restrict access to untrusted HTML pages
  • Monitor for suspicious activity
  • Inventory checks for Chrome versions prior to 151.0.7922.109
  • Exception tracking for potential sandbox escapes
  • 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

Evidence notes

Insufficient validation of untrusted input in Codecs in Google Chrome prior to 151.0.7922.109. Chromium security severity: High. CVSS Score: 9.6, CVSS Severity: CRITICAL. The vulnerability allows a remote attacker to potentially perform a sandbox escape via a crafted HTML page. Evidence is limited to CVE and NVD details. Defenders should verify Chrome versions, review crafted HTML page risks, and monitor for suspicious activity related to Codecs handling.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-06T22:16:58.803Z and has not been modified since then.