CVE-2026-113147: Improper input validation in Google Chrome
Description
CVE-2026-113147 is a vulnerability in Google Chrome's WebShare feature prior to version 156.0.8078.47. It involves improper input validation that could allow a remote attacker to execute arbitrary code within the sandbox by using a crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. A fix is available in version 156.0.8078.47.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-113147) affects Google Chrome versions before 156.0.8078.47. It is caused by improper input validation in the WebShare component, which could enable a remote attacker to execute arbitrary code inside the browser sandbox through a specially crafted HTML page. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. The vendor has released an official fix in Chrome version 156.0.8078.47 as noted in the Google Chrome stable channel update advisory.
Potential Impact
Successful exploitation allows remote code execution within the sandbox environment of Google Chrome, potentially compromising confidentiality, integrity, and availability of the affected system. However, the attack requires user interaction (UI:R) and is limited to code execution inside the sandbox.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 156.0.8078.47 or later to remediate this vulnerability. The vendor has provided an official fix, and applying this update fully mitigates the risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-19T23:03:07.338Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html","vendor":"Google"}]
Threat ID: 6ad7df8b2cdf04f656642857
Added to database: 10/20/2026, 21:39:23 UTC
Last enriched: 10/21/2026, 00:04:19 UTC
Last updated: 10/21/2026, 00:04:19 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.