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PatchSiren cyber security CVE debrief

CVE-2026-113168 Google CVE debrief

A use-after-free vulnerability in Google Chrome's Permissions component allowed remote attackers to execute arbitrary code within the sandbox via a crafted HTML page. This issue was addressed in Chrome version 156.0.8078.47. The vulnerability was reported by an external researcher and is publicly known. Chrome users should verify their version and update to 156.0.8078.47 or later to mitigate this vulnerability. The vulnerability has a low severity rating according to Chromium security severity standards.

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

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize updating to the fixed version. Chrome users should verify their version and update to 156.0.8078.47 or later to mitigate this vulnerability. Security teams should review compensating controls for exposed systems while remediation is scheduled and verified. IT teams should track exceptions, retest remediated assets, and close the item only after evidence is

Why it matters

Defenders should care about CVE-2026-113168 because it allows remote attackers to execute arbitrary code within the Google Chrome sandbox, potentially leading to security breaches. Chrome version 156.0.8078.47 or later is required to mitigate this vulnerability.

  • Remote code execution within the sandbox
  • Potential for crafted HTML page attacks
  • Need for Chrome version verification and updates

Technical summary

The CVE-2026-113168 vulnerability is a use-after-free issue in Google Chrome's Permissions component. This allows remote attackers to execute arbitrary code within the sandbox via a crafted HTML page. The issue was addressed in Chrome version 156.0.8078.47. The vulnerability has a low severity rating according to Chromium security severity standards. The vulnerability was reported by an external researcher and is publicly known. Chrome users should verify their version and update to 156.0.8078.47 or later to mitigate this vulnerability.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to mitigate this vulnerability.

Recommended defensive actions

  • Verify Chrome version and update to 156.0.8078.47 or later
  • Monitor for suspicious HTML page activity
  • Implement sandboxing and isolation measures
  • 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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, its impact, and affected versions. However, the CVSS score and severity are not provided. The vulnerability was reported by an external researcher and is publicly known. The CVE Program record and NIST NVD detail page provide additional information on the vulnerability. The Chrome release update and Chromium issue tracking pages also provide relevant information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113168 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113168

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

  • CVE-2026-113168 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113168

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

Supplemental references

  • CVE-2026-113168

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113168.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/497593347

    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.