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CVE-2026-113098 Google CVE debrief

CVE-2026-113098 debrief based on CVE Program and NVD records. Google Chrome users should assess exposure to memory corruption via crafted HTML pages. The vulnerability, tracked as CVE-2026-113098, is a memory corruption issue in Google Chrome's CacheStorage. This could potentially allow remote attackers to read memory inside the sandbox via a crafted HTML page. Defenders should prioritize verifying Chrome version 156.0.8078.47 or later and assessing exposure to crafted HTML pages. This debrief provides an executive overview of the affected product, vulnerability class, likely operational impact, and source-confidence limits.

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 exposure to untrusted HTML pages, should assess their exposure and verify their Chrome version. This includes operators, platform administrators, vulnerability management teams, and security teams who need to prioritize verifying Chrome version 156.0.8078.47 or later and assessing exposure to crafted HTML pages.

Why it matters

CVE-2026-113098 is a memory corruption vulnerability in Google Chrome's CacheStorage, potentially allowing remote attackers to read memory inside the sandbox. Defenders should prioritize verifying Chrome version 156.0.8078.47 or later and assessing exposure to crafted HTML pages.

  • Verify Chrome version to prevent potential memory corruption
  • Assess exposure to crafted HTML pages to prevent potential attacks

Technical summary

A memory corruption vulnerability in Google Chrome's CacheStorage could allow remote attackers to potentially read memory inside the sandbox via a crafted HTML page. The vulnerability is tracked as CVE-2026-113098 and has a high severity rating. Defenders should prioritize verifying Chrome version 156.0.8078.47 or later and assessing exposure to crafted HTML pages. The technical details are based on official CVE Program and NVD records, which provide additional context on the vulnerability and its potential impact.

Defensive priority

Defenders should prioritize verifying Chrome version 156.0.8078.47 or later and assessing exposure to crafted HTML pages.

Recommended defensive actions

  • Verify Chrome version is 156.0.8078.47 or later
  • Assess exposure to crafted HTML pages
  • Monitor for suspicious activity
  • 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 memory corruption vulnerability in Google Chrome's CacheStorage, potentially allowing remote attackers to read memory inside the sandbox. The evidence is based on official CVE Program and NVD records. Defenders should verify Chrome version 156.0.8078.47 or later and assess exposure to crafted HTML pages. The CVE record was published on 2026-10-20T21:01:46.497Z and has not been modified since then. The NVD entry provides additional details on the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113098 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113098

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

  • CVE-2026-113098 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113098

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

Supplemental references

  • CVE-2026-113098

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113098.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/548989584

    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.