PatchSiren cyber security CVE debrief

CVE-2026-113075 Google CVE debrief

A use-after-free vulnerability in Google Chrome's DevTools, prior to version 156.0.8078.47, allows remote attackers to execute arbitrary code within the sandbox via a crafted HTML page. This issue, reported as having a medium severity by Chromium, highlights the importance of keeping browser software up-to-date to mitigate potential threats. The vulnerability exists due to improper handling of memory, allowing attackers to exploit this weakness. Users are advised to update Chrome to the latest version to prevent potential attacks.

Vendor: Google
Product: Chrome
CVSS: Unknown
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-10-20
Original CVE updated: 2026-10-21
Advisory published: 2026-10-20
Advisory updated: 2026-10-21

Who should care

System administrators, security teams, and users of Google Chrome for desktop should assess their exposure and ensure that Chrome is updated to the latest version to mitigate this vulnerability.

Why it matters

This vulnerability in Google Chrome's DevTools allows remote attackers to execute arbitrary code within the sandbox, emphasizing the need for keeping browser software up-to-date and monitoring for potential threats.

Potential for arbitrary code execution within the sandbox
Need for timely updates to browser software
Importance of monitoring for suspicious activity related to crafted HTML pages

Technical summary

The vulnerability exists in Google Chrome's DevTools, specifically a use-after-free issue that can lead to arbitrary code execution within the sandbox when a user interacts with a crafted HTML page. This issue arises from the improper handling of memory, allowing remote attackers to execute arbitrary code. The vulnerability has a medium severity level according to Chromium and affects Google Chrome prior to version 156.0.8078.47. To mitigate this vulnerability, users should ensure that their browser software is up-to-date.

Defensive priority

High

Recommended defensive actions

Update Google Chrome to version 156.0.8078.47 or later
Review and enforce security policies for browser updates and sandboxing
Monitor for suspicious activity related to crafted HTML pages
Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
Check relevant monitoring, detection, and logs for exposed assets that need extra review

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 for arbitrary code execution within the sandbox.

Sources and references

Verified primary and authoritative sources

CVE-2026-113075 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-113075

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-113075 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113075

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

CVE-2026-113075
Unverified legacy reference

URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113075.json

cve_program_cvelist_v5
Source reference
Unverified legacy reference

URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

Supplemental source
Source reference
Unverified legacy reference

URL: https://issues.chromium.org/issues/553931271

Supplemental source

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.