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CVE-2026-113105 Google CVE debrief

CVE-2026-113105 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 2026-10-20T21:02:06.565Z and has not been modified since then. This use-after-free vulnerability in Google Chrome Extensions allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Chrome users, particularly those with versions prior to 156.0.8078.47, should assess exposure and verify updates to the latest version to prevent potential exploitation attempts.

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 exposure and verify updates to the latest version. Operators and security teams managing Chrome deployments should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance. Vulnerability management and security teams should plan vendor-supported updates or mitigations through normal change control where exposure is and

Why it matters

CVE-2026-113105 is a use-after-free vulnerability in Google Chrome Extensions that allows remote attackers to execute arbitrary code inside the sandbox. Chrome users, particularly those with versions prior to 156.0.8078.47, should assess exposure and verify updates to the latest version to prevent potential exploitation attempts.

  • Remote attackers may execute arbitrary code inside the sandbox via a crafted HTML page.
  • Chrome users may be vulnerable to potential exploitation attempts.
  • Verification of Chrome version and updates is necessary to prevent potential exploitation.

Technical summary

The CVE record describes a use-after-free vulnerability in Google Chrome Extensions, allowing remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability affects Google Chrome prior to version 156.0.8078.47. This vulnerability has a medium severity and is categorized under the 'use after free' vulnerability class. Chrome users should assess exposure and verify updates to the latest version to prevent potential exploitation attempts. The CVE Program and NVD records provide details on this vulnerability.

Defensive priority

Medium priority for Chrome users to verify and update to the latest version.

Recommended defensive actions

  • Verify and update Google Chrome to the latest version
  • Assess exposure to version 156.0.8078.47 and earlier
  • 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 the use-after-free vulnerability in Google Chrome Extensions, allowing remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113105 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113105

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

  • CVE-2026-113105 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113105

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

Supplemental references

  • CVE-2026-113105

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113105.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/501805751

    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.