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CVE-2026-113335 Google CVE debrief

PatchSiren debrief for CVE-2026-113335: Memory corruption in Google Chrome Extensions. The CVE record was published on 2026-10-20T21:02:18.620Z and has not been modified since then. Defenders should assess exposure and prioritize upgrading to version 156.0.8078.47 or later. The vulnerability allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Chrome version verification and upgrades are critical to prevent potential code execution. The CVE details and source item provide information on the memory corruption vulnerability in Google Chrome Extensions prior to version 156.0.8078.47.

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 Google Chrome deployments should assess exposure and prioritize upgrading to version 156.0.8078.47 or later. Defenders should verify Chrome version and upgrade to prevent potential code execution inside the sandbox. Chrome version verification and upgrades are critical to prevent potential code execution. The vulnerability allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.

Why it matters

Defenders should prioritize verifying and upgrading Google Chrome to prevent potential code execution inside the sandbox.

  • Potential code execution inside the sandbox
  • Required version verification and upgrade

Technical summary

Memory corruption in Google Chrome Extensions prior to version 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability is caused by a memory corruption issue in the Google Chrome Extensions. Defenders should prioritize verifying Chrome version 156.0.8078.47 or earlier and upgrading to 156.0.8078.47 or later. The CVE details and source item provide information on the memory corruption vulnerability in Google Chrome Extensions prior to version 156.0.8078.47.

Defensive priority

Defenders should prioritize verifying Chrome version 156.0.8078.47 or earlier and upgrading to 156.0.8078.47 or later.

Recommended defensive actions

  • Verify Chrome version and upgrade to 156.0.8078.47 or later
  • Review and update affected systems
  • Monitor for suspicious activity
  • 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
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance

Evidence notes

The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome Extensions prior to version 156.0.8078.47. The vulnerability allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Defenders should verify Chrome version and upgrade to 156.0.8078.47 or later. The source item and CVE record provide evidence of the vulnerability and its potential impact. There are limited details on the specific conditions required to exploit this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113335 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113335

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

  • CVE-2026-113335 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113335

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

Supplemental references

  • CVE-2026-113335

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113335.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/518055882

    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.