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PatchSiren cyber security CVE debrief

CVE-2026-113308 Google CVE debrief

CVE-2026-113308 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to version 156.0.8078.47 and earlier. The CVE record was published on 2026-10-20T21:02:19.598Z and has not been modified since then. This use-after-free vulnerability in the Core component of Google Chrome could allow remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page, highlighting the need for users to update to version 156.0.8078.47 or later 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
2026-10-21
Advisory published
2026-10-20
Advisory updated
2026-10-21

Who should care

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess their exposure and update to the latest version to mitigate potential risks. This includes users of Google Chrome on various platforms who may be vulnerable to remote code execution inside the sandbox. Security teams and IT administrators should prioritize updating Chrome to version 156.0.8078.47 or later to ensure the security of their systems.

Why it matters

CVE-2026-113308 is a use-after-free vulnerability in Google Chrome that could allow remote attackers to execute arbitrary code inside the sandbox. Chrome users, especially those on versions prior to 156.0.8078.47, should assess their exposure and update to mitigate potential risks.

  • Potential remote code execution inside the sandbox
  • Possible bypass of sandbox protections
  • Need for version updates to mitigate vulnerability
  • Importance of monitoring for exploitation attempts

Technical summary

A use-after-free vulnerability in the Core component of Google Chrome prior to version 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability highlights the importance of keeping Google Chrome up to date to prevent potential security risks. Users should assess their exposure and update to the latest version to mitigate potential risks. The CVE record and NVD entry provide details on this vulnerability, emphasizing the need for version updates.

Defensive priority

Medium

Recommended defensive actions

  • Assess exposure to vulnerable Chrome versions
  • Update Chrome to version 156.0.8078.47 or later
  • Monitor for 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 NVD entry provide details on a use-after-free vulnerability in Google Chrome prior to version 156.0.8078.47. The vulnerability could allow remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Chrome users should assess their exposure and update to the latest version. The CVE record was published on 2026-10-20T21:02:19.598Z and has not been modified since then. Evidence is limited to CVE Program and NVD records.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113308 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113308

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

  • CVE-2026-113308 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113308

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

Supplemental references

  • CVE-2026-113308

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113308.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/518102808

    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.