PatchSiren cyber security CVE debrief
CVE-2026-113097 Google CVE debrief
CVE-2026-113097 is a high-severity use-after-free vulnerability in Google Chrome's FileSystem component prior to version 156.0.8078.47. This vulnerability could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Defenders should assess exposure, prioritize patching for versions prior to 156.0.8078.47, and monitor for potential exploitation attempts. The vulnerability's impact and remediation require verification from official sources.
- Vendor
- 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, particularly those in environments where remote access or untrusted input is common, should assess exposure and prioritize patching.
Why it matters
CVE-2026-113097 is a high-severity use-after-free vulnerability in Google Chrome's FileSystem component. Defenders should assess exposure, prioritize patching for versions prior to 156.0.8078.47, and monitor for potential exploitation attempts. The vulnerability's impact and remediation require verification from official sources.
- Potential remote code execution inside the sandbox requires verification
- Exposure assessment and patching prioritization are necessary
- Monitoring for potential exploitation attempts is advised
Technical summary
A use-after-free vulnerability exists in the FileSystem component of Google Chrome prior to version 156.0.8078.47. This vulnerability could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability is considered high-severity and defenders should assess exposure and prioritize patching for versions prior to 156.0.8078.47. Monitoring for potential exploitation attempts is also advised to ensure the security of Chrome deployments. The vulnerability's impact requires verification from official sources.
Defensive priority
High
Recommended defensive actions
- Assess exposure and prioritize patching for Google Chrome versions prior to 156.0.8078.47
- Review and update inventory of Chrome deployments to ensure version 156.0.8078.47 or later is used
- Monitor for and respond to potential exploitation attempts targeting this vulnerability
- Confirm whether affected product 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 NVD entry indicate a use-after-free vulnerability in Google Chrome's FileSystem component prior to version 156.0.8078.47. This vulnerability could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-113097 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-113097
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-113097 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113097
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
CVE-2026-113097
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113097.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/526039697
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.