CVE-2026-113077 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome on Mac systems should assess exposure and prioritize updating to version 156.0.8078.47 or later. The vulnerability could allow a remote attacker to potentially read memory inside the sandbox via a crafted HTML page, and defenders should verify and update systems to prevent exploitation. Defenders should also review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

The memory corruption vulnerability in Google Chrome on Mac prior to version 156.0.8078.47 could allow a remote attacker to potentially read memory inside the sandbox via a crafted HTML page, requiring defenders to verify and update systems.

• Verify and update Google Chrome on Mac systems to prevent potential memory corruption
• Assess exposure for users who may have accessed crafted HTML pages
• Monitor Google Chrome on Mac systems for potential memory corruption issues

Technical summary

The memory corruption vulnerability in Google Chrome on Mac prior to version 156.0.8078.47 could allow a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. The vulnerability affects Google Chrome on Mac systems, and defenders should verify and update systems to prevent exploitation. The CVE record and source item provide details on the vulnerability, and defenders should assess exposure and prioritize updating to version 156.0.8078.47 or later. The vulnerability is considered Medium severity by Chromium.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome on Mac systems to version 156.0.8078.47 or later, and assess exposure for users who may have accessed crafted HTML pages.

Recommended defensive actions

• Verify and update Google Chrome on Mac systems to version 156.0.8078.47 or later
• Assess exposure for users who may have accessed crafted HTML pages
• Monitor Google Chrome on Mac systems for potential memory corruption issues
• 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 Google Chrome on Mac prior to version 156.0.8078.47. The Chromium security severity is rated as Medium. The vulnerability could allow a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. Defenders should verify and update systems to prevent exploitation. The source details are limited, and defenders should exercise caution when verifying and updating systems.

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.