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PatchSiren cyber security CVE debrief

CVE-2026-113328 Google CVE debrief

CVE-2026-113328 debrief based on the supplied source corpus. The CVE record was published on 2026-10-20T21:02:18.430Z. Google Chrome prior to 156.0.8078.47 has an improper input validation vulnerability, which could allow remote attackers to potentially execute arbitrary code outside the sandbox via a crafted HTML page. Defenders should assess exposure and prioritize updating to the latest version. The CVE record has not been modified since its publication date. This debrief provides an executive overview of the vulnerability, its likely operational impact, and context for review.

Vendor
Google
Product
Chrome
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-22
Advisory published
2026-10-20
Advisory updated
2026-10-22

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize updating to the latest version. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify Chrome versions and update to 156.0.8078.47 or later to prevent potential remote code execution outside the sandbox.

Why it matters

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to prevent potential remote code execution outside the sandbox.

  • Potential remote code execution outside the sandbox
  • Required verification of Chrome versions and updates
  • Possible exploitation attempts via crafted HTML pages

Technical summary

The CVE record and source item describe an improper input validation vulnerability in Google Chrome prior to 156.0.8078.47, which could allow remote attackers to potentially execute arbitrary code outside the sandbox via a crafted HTML page. The vulnerability affects Google Chrome deployments, and defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later. The technical details are limited to the CVE record and source item, and further review is recommended to ensure secure coding practices.

Defensive priority

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

Recommended defensive actions

  • Verify Chrome version and update to 156.0.8078.47 or later
  • Review and implement secure coding practices for input validation
  • Monitor for suspicious activity and potential exploitation attempts
  • 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 improper input validation vulnerability in Google Chrome prior to 156.0.8078.47. The vulnerability could allow remote attackers to potentially execute arbitrary code outside the sandbox via a crafted HTML page. Defenders should verify Chrome versions and update to 156.0.8078.47 or later. The evidence is limited to the CVE record and source item, and further verification is recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113328 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113328

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

  • CVE-2026-113328 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113328

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

Supplemental references

  • CVE-2026-113328

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113328.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/518055862

    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.