PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-113041 Google CVE debrief

CVE-2026-113041 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to version 156.0.8078.47 and earlier. The CVE record was published on 2026-10-20T21:02:21.800Z and has not been modified since then. This use-after-free vulnerability in the Actor component allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page, posing a Medium security risk according to Chromium. Users of Google Chrome, particularly those with versions prior to 156.0.8078.47, should assess their exposure and update to the latest version to mitigate potential risks.

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

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess their exposure and update to the latest version to mitigate potential risks. This includes operators managing Chrome deployments, platform administrators, vulnerability management teams, and security teams monitoring for potential anomalies in Chrome usage. Updating to the latest version is crucial to prevent potential exploitation attempts and ensure sandboxing and

Why it matters

CVE-2026-113041 is a use-after-free vulnerability in Google Chrome's Actor component that allows remote attackers to execute arbitrary code inside the sandbox. Chrome users, particularly those with versions prior to 156.0.8078.47, should assess their exposure and update to the latest version to mitigate potential risks.

  • Remote attackers may attempt to execute arbitrary code inside the sandbox
  • Chrome users may be vulnerable to potential exploitation attempts
  • Defenders should verify and update Chrome to the latest version
  • Security teams should monitor for potential anomalies in Chrome usage

Technical summary

A use-after-free vulnerability exists in the Actor component of Google Chrome prior to version 156.0.8078.47. This vulnerability allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page, posing a Medium security risk according to Chromium. The vulnerability is detailed in CVE Program and NVD records, emphasizing the need for Chrome users to update to the latest version to mitigate risks. Technical details are based on available source information, with a focus on defensive priorities for Chrome users.

Defensive priority

Medium priority for Chrome users to verify and update to the latest version.

Recommended defensive actions

  • Verify Chrome version and update to 156.0.8078.47 or later
  • Review and implement security best practices for sandboxing and user input validation
  • Monitor for potential exploitation attempts and anomalies in Chrome usage
  • 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 NVD entry provide details on the use-after-free vulnerability in Google Chrome's Actor component. Chromium security severity is rated as Medium. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Evidence is based on CVE Program and NVD records, with limitations on source-provided information. Defenders should verify Chrome version and update to the latest version.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113041 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113041

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-113041 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113041

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

Supplemental references

  • CVE-2026-113041

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113041.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/524319033

    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.