CVE-2026-113192 Google CVE debrief

Who should care

Defenders responsible for Google Chrome deployments, particularly those managing browser updates and security configurations, should assess exposure and apply necessary updates to mitigate this vulnerability.

Why it matters

CVE-2026-113192 is a high-severity memory corruption vulnerability in Google Chrome's V8 engine, allowing remote code execution inside the sandbox. Defenders must assess exposure, update Chrome to version 156.0.8078.47 or later, and monitor for suspicious activity related to crafted HTML pages.

• Remote attackers may execute arbitrary code inside the sandbox via crafted HTML pages, potentially leading to sandbox escapes or other defensive consequences.
• Defenders must verify Chrome versions and update to 156.0.8078.47 or later to prevent exploitation.
• Successful exploitation requires user interaction via crafted HTML pages, indicating a need for user awareness and education.
• The vulnerability's impact on Chrome's V8 engine necessitates prompt assessment and remediation.

Technical summary

The memory corruption vulnerability in V8 in Google Chrome prior to 156.0.8078.47 allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. This vulnerability has a high security severity rating according to Chromium. Defenders must assess exposure, update Chrome to version 156.0.8078.47 or later, and monitor for suspicious activity related to crafted HTML pages. The vulnerability's impact on Chrome's V8 engine necessitates prompt assessment and remediation, and defenders should be aware of potential sandbox escapes or other defensive consequences.

Defensive priority

High

Recommended defensive actions

• Assess exposure and apply updates for Google Chrome to version 156.0.8078.47 or later
• Review and update inventory of Chrome deployments to ensure version 156.0.8078.47 or later is installed
• Monitor for suspicious activity related to crafted HTML pages
• 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 and source item provide details on the memory corruption vulnerability in V8 in Google Chrome. The Chromium security severity is rated as High. Defenders should verify Chrome versions and update to 156.0.8078.47 or later to prevent exploitation. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. Evidence is limited to the CVE record and source item, and defenders should be cautious of potential sandbox escapes or other defensive consequences.

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.