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PatchSiren cyber security CVE debrief

CVE-2026-113049 Google CVE debrief

A memory corruption vulnerability in Google Chrome prior to version 156.0.8078.47 could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability affects the Core component of Google Chrome and has a medium severity level according to the Chromium security team. Defenders should assess exposure and prioritize updates to address this vulnerability. The CVE record was published on 2026-10-20T21:02:22.990Z and has not been modified since then.

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

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize updates to address this vulnerability. This includes reviewing and monitoring Google Chrome updates for potential security patches and implementing sandboxing and isolation measures to limit the impact of potential attacks. Additionally, defenders should verify affected versions and remediation status, and plan vendor-supported updates or mitigations through

Why it matters

A memory corruption vulnerability in Google Chrome could potentially allow a remote attacker to execute arbitrary code inside the sandbox. Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later.

  • Potential execution of arbitrary code inside the sandbox
  • Requires verification of affected versions and remediation status
  • Defenders should monitor Google Chrome updates for potential security patches
  • Updating Google Chrome to version 156.0.8078.47 or later is recommended

Technical summary

The CVE record describes a memory corruption vulnerability in Google Chrome prior to version 156.0.8078.47. The vulnerability could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability affects the Core component of Google Chrome and has a medium severity level according to the Chromium security team. The CVE record was published on 2026-10-20T21:02:22.990Z and has not been modified since then. Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later to address this vulnerability.

Defensive priority

Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later to address this vulnerability.

Recommended defensive actions

  • Update Google Chrome to version 156.0.8078.47 or later
  • Review and monitor Google Chrome updates for potential security patches
  • Implement sandboxing and isolation measures to limit the impact of potential attacks
  • 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 memory corruption vulnerability in Google Chrome prior to version 156.0.8078.47. However, the CVSS score and severity are not provided. The vulnerability has a medium severity level according to the Chromium security team. The CVE record was published on 2026-10-20T21:02:22.990Z and has not been modified since then. Defenders should verify affected versions and remediation status.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113049 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113049

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

  • CVE-2026-113049 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113049

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

Supplemental references

  • CVE-2026-113049

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113049.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/537465180

    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.