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CVE-2026-113297 Google CVE debrief

CVE-2026-113297 Improper access control in Ozone in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to leak sensitive information via a crafted HTML page. The vulnerability affects Google Chrome's Ozone component, which is a critical part of the browser's architecture. This improper access control could allow attackers to access sensitive information that they should not be able to access. Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to prevent information leaks.

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 managing Google Chrome deployments should assess exposure and prioritize updates to prevent potential information leaks. This includes IT administrators, security teams, and anyone responsible for ensuring the security of Chrome users in their organization. They should verify Chrome browser versions to prevent information leaks and update Chrome to version 156.0.8078.47 or later to fix the vulnerability.

Why it matters

CVE-2026-113297 is a medium-severity vulnerability in Google Chrome's Ozone component that allows remote attackers to leak sensitive information. Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to prevent information leaks.

  • Verify Chrome browser versions to prevent information leaks
  • Update Chrome to version 156.0.8078.47 or later to fix the vulnerability
  • Monitor for suspicious activity related to crafted HTML pages

Technical summary

The vulnerability is caused by improper access control in the Ozone component of Google Chrome prior to version 156.0.8078.47. This allows remote attackers to leak sensitive information via crafted HTML pages. The Ozone component is a critical part of Google Chrome's architecture, and this vulnerability could have significant impacts on the security of Chrome users. Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to prevent information leaks. The vulnerability can be addressed by updating Chrome to version 156.0.8078.47 or later.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to prevent information leaks.

Recommended defensive actions

  • Verify Chrome browser versions are up-to-date
  • Update Chrome to version 156.0.8078.47 or later
  • Monitor for suspicious activity related to crafted HTML pages
  • 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 improper access control vulnerability in Google Chrome's Ozone component, which could allow remote attackers to leak sensitive information. The source details indicate that this vulnerability was addressed in Chrome version 156.0.8078.47. Defenders should verify Chrome browser versions to prevent information leaks and update Chrome to version 156.0.8078.47 or later to fix the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113297 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113297

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

  • CVE-2026-113297 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113297

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

Supplemental references

  • CVE-2026-113297

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113297.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/562237117

    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.