CVE-2026-113057 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments, especially in environments with high-risk browsing habits or sensitive data access, should assess exposure and apply patches.

Why it matters

CVE-2026-113057 is a Medium-severity vulnerability in Google Chrome's ComputePressure feature that allows remote attackers to bypass web origin policy. Defenders should prioritize verifying exposure and applying patches, especially for high-risk systems and users.

• Verify and prioritize patching for Google Chrome versions prior to 156.0.8078.47
• Assess exposure for systems and users with high-risk browsing habits or sensitive data access
• Monitor browser activity for suspicious behavior related to ComputePressure

Technical summary

The vulnerability is caused by improper access control in Google Chrome's ComputePressure feature. This allows a remote attacker to bypass web origin policy via a crafted HTML page. The issue was addressed in Google Chrome version 156.0.8078.47. The vulnerability affects Google Chrome deployments, especially in environments with high-risk browsing habits or sensitive data access. Defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47, especially for systems and users with high-risk browsing habits or sensitive data access.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47, especially for systems and users with high-risk browsing habits or sensitive data access.

Recommended defensive actions

• Verify and apply Google Chrome updates to version 156.0.8078.47 or later
• Review and restrict user access to sensitive data and systems
• Monitor browser activity for suspicious behavior
• Implement additional security measures for high-risk browsing habits
• 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

The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to vendor advisories. However, the corpus does not provide explicit information on exploitation or victim impact.

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.