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CVE-2026-113322 Google CVE debrief

PatchSiren debrief for CVE-2026-113322: Memory corruption in Dawn in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. This High-severity vulnerability impacts Google Chrome deployments, requiring defenders to assess exposure and apply patches to prevent potential memory reads within the sandbox. The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's Dawn component.

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 Google Chrome deployments should assess exposure and apply patches to prevent potential memory reads within the sandbox. This includes verifying exposure, applying patches for Google Chrome versions prior to 156.0.8078.47, and implementing compensating controls for sandboxing and memory protection. Security teams and vulnerability management teams should prioritize verifying exposure and applying patches.

Why it matters

CVE-2026-113322 is a High-severity memory corruption vulnerability in Google Chrome's Dawn component, allowing potential memory reads within the sandbox. Defenders should prioritize verifying exposure and applying patches.

  • Verify and prioritize patching for Google Chrome versions prior to 156.0.8078.47
  • Monitor Google Chrome's Dawn component for potential memory corruption
  • Implement compensating controls for sandboxing and memory protection

Technical summary

The CVE-2026-113322 vulnerability is a memory corruption issue in the Dawn component of Google Chrome. This vulnerability allows a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. The Chromium security severity is listed as High. Defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47, as the vulnerability allows potential memory reads within the sandbox. The vulnerability impacts Google Chrome deployments, requiring defenders to assess exposure and apply patches.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Google Chrome versions prior to 156.0.8078.47, as the vulnerability allows potential memory reads within the sandbox.

Recommended defensive actions

  • Verify and apply Google Chrome updates to version 156.0.8078.47 or later
  • Review and monitor Google Chrome's Dawn component for potential memory corruption
  • Implement sandboxing and memory protection measures for Google Chrome
  • Confirm whether affected Google Chrome deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's Dawn component. The Chromium security severity is listed as High. Evidence is limited to publicly available sources, and defenders should verify exposure and apply patches for Google Chrome versions prior to 156.0.8078.47. The vulnerability allows potential memory reads within the sandbox via a crafted HTML page.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113322 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113322

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

  • CVE-2026-113322 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113322

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

Supplemental references

  • CVE-2026-113322

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113322.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/536639352

    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.