CVE-2026-113066 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize patching to prevent potential memory corruption attacks. This includes IT teams managing Chrome installations in their organizations, as well as security teams responsible for vulnerability management. Additionally, operators of Chrome-based systems and platforms should review the vulnerability details and take necessary actions to protect their systems.

Why it matters

CVE-2026-113066 is a memory corruption vulnerability in Google Chrome's Fonts component. Defenders should prioritize verifying Chrome versions and applying patches to prevent potential memory corruption attacks. This issue could allow a remote attacker to read memory inside the sandbox via a crafted HTML page.

• Verify Chrome version to prevent potential memory corruption
• Monitor for suspicious HTML page activity to detect potential attacks
• Implement sandboxing and memory protection measures to limit damage

Technical summary

The vulnerability exists in Google Chrome's Fonts component prior to version 156.0.8078.47. A remote attacker could exploit this issue by providing a crafted HTML page, potentially leading to memory corruption and allowing the attacker to read memory inside the sandbox. The vulnerability is caused by a memory corruption issue in the Fonts component of Google Chrome. This component is responsible for rendering fonts on web pages, and a crafted HTML page could trigger this vulnerability. Defenders should prioritize verifying Chrome versions and applying patches to prevent potential memory corruption attacks.

Defensive priority

Defenders should prioritize verifying Chrome versions and applying patches to prevent potential memory corruption attacks.

Recommended defensive actions

• Verify Chrome version and apply patches
• Monitor for suspicious HTML page activity
• Implement sandboxing and memory protection measures
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions, retest remediated assets
• Confirm whether affected product deployments exist in managed environments

Evidence notes

The CVE record and source item provide details on the vulnerability, including its existence in Chrome prior to version 156.0.8078.47 and the potential impact of memory corruption. The official CVE Program record and NIST NVD detail page offer additional information on the vulnerability. However, the exact scope of affected systems and potential impact on various platforms remains limited based on available source details. Defenders should verify Chrome versions, review official advisories, and apply patches to prevent potentialmemory

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.