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CVE-2026-113288 Google CVE debrief

Memory corruption in Core in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability affects Google Chrome deployments, specifically those prior to version 156.0.8078.47. The vulnerability is characterized as a memory corruption issue within the Core component of Google Chrome, which could enable an attacker to execute code within the sandbox environment. Defenders should focus on updating Chrome 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
2026-10-20
Advisory published
2026-10-20
Advisory updated
2026-10-20

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and prioritize updating to 156.0.8078.47 or later. This includes IT and security teams managing Chrome installations, as well as operators and administrators of systems that utilize Google Chrome for critical or daily operations. Ensuring Chrome is updated will help prevent potential exploitation of this vulnerability.

Why it matters

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

  • Remote attackers may execute arbitrary code inside the sandbox
  • Defenders must verify Chrome versions and update to 156.0.8078.47 or later
  • Crafted HTML pages may exploit the vulnerability

Technical summary

Memory corruption in Core in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability is a result of a memory corruption issue within the Core component of Google Chrome. This issue can be exploited by a remote attacker through a crafted HTML page, enabling the execution of arbitrary code within the sandbox environment. Defenders should prioritize updating Google Chrome to version 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.

Recommended defensive actions

  • Verify Chrome versions and update to 156.0.8078.47 or later
  • Monitor for crafted HTML pages
  • Implement sandboxing
  • 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 memory corruption vulnerability in Google Chrome. The vulnerability is identified as a memory corruption issue in the Core component of Google Chrome prior to version 156.0.8078.47. This issue allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Evidence from the CVE Program and NIST NVD detail pages confirms the vulnerability's existence and provides additional context for defenders.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113288 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113288

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

  • CVE-2026-113288 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113288

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

Supplemental references

  • CVE-2026-113288

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113288.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/556213889

    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.