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CVE-2026-113140 Google CVE debrief

CVE-2026-113140 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to version 156.0.8078.47. The CVE record was published on 2026-10-20T21:02:44.549Z and has not been modified since then. This use-after-free vulnerability in ANGLE allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Users should verify their Chrome version and update to 156.0.8078.47 or later. Implementing sandboxing and isolation measures can help mitigate the vulnerability.

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 take necessary actions to update or mitigate the vulnerability. Defenders should prioritize verifying Chrome version and updating to 156.0.8078.47 or later. Implementing sandboxing and isolation measures can help mitigate the vulnerability. Users should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2026-113140 is a use-after-free vulnerability in ANGLE in Google Chrome that allows remote attackers to execute arbitrary code inside the sandbox. Defenders should prioritize verifying Chrome version and updating to 156.0.8078.47 or later.

  • Remote attackers may execute arbitrary code inside the sandbox
  • Defenders should verify Chrome version and update to 156.0.8078.47 or later
  • Implementing sandboxing and isolation measures can help mitigate the vulnerability

Technical summary

A use-after-free vulnerability exists in ANGLE in Google Chrome prior to version 156.0.8078.47. This vulnerability allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability can be mitigated by verifying Chrome version and updating to 156.0.8078.47 or later. Implementing sandboxing and isolation measures can help mitigate the vulnerability. Defenders should prioritize verifying Chrome version and updating to 156.0.8078.47 or later. The CVE record and NVD entry provide limited information about the vulnerability.

Defensive priority

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

Recommended defensive actions

  • Verify Chrome version and update to 156.0.8078.47 or later
  • Monitor for suspicious activity
  • Implement sandboxing and isolation measures
  • 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 limited information about the vulnerability. Further verification is required to determine the actual impact. Defenders should verify Chrome version and update to 156.0.8078.47 or later. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Evidence is limited to CVE Program and NVD records.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113140 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113140

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

  • CVE-2026-113140 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113140

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

Supplemental references

  • CVE-2026-113140

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113140.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/536445815

    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.