CVE-2026-113229 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments, particularly in environments where users may be targeted by attackers, should assess exposure and apply patches. This includes IT and security teams in organizations using Chrome for browsing, as well as developers and administrators working with Chrome-based applications.

Why it matters

CVE-2026-113229 is a use-after-free vulnerability in Google Chrome's Loader component that could allow remote attackers to execute arbitrary code within the sandbox. Defenders should assess exposure, particularly for Chrome users who may be targeted, and apply patches to prevent exploitation. The vulnerability has been addressed in Chrome version 156.0.8078.47.

• Potential for remote code execution within the sandbox
• Possible targeted attacks using crafted HTML pages
• Need for patching to prevent exploitation
• Verification of sandbox effectiveness required

Technical summary

The vulnerability is a use-after-free issue in the Loader component of Google Chrome. This could allow remote attackers to execute arbitrary code within the sandbox via specially crafted HTML pages. The vulnerability has been addressed in Chrome version 156.0.8078.47. The Chromium security team has assessed this vulnerability as having a Low severity. Defenders should prioritize assessing exposure and applying patches for this vulnerability, particularly for Chrome users who may be targeted by attackers. The CVE Program and NVD have provided official records of this vulnerability.

Defensive priority

Defenders should prioritize assessing exposure and applying patches for this vulnerability, particularly for Chrome users who may be targeted by attackers.

Recommended defensive actions

• Assess exposure to this vulnerability in Chrome deployments
• Apply patches to update Chrome to version 156.0.8078.47 or later
• Monitor for potential targeted attacks using crafted HTML pages
• Verify sandbox effectiveness in preventing arbitrary code execution
• 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 Program and NVD have provided official records of this vulnerability. Google has also released a stable channel update for desktop. However, details on exploitation or victim impact are not provided in the source corpus.

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.