Google Chrome: Use-after-free in Turbolev allows sandboxed code execution
Summary
Google Chrome contains a use-after-free vulnerability in the Turbolev component (CVE-2026-113338, CVSS 8.8, Chromium severity High). A remote attacker can execute arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The attack requires user interaction, but no privileges.
Affected
- Google Chrome builds prior to 156.0.8078.47
- Other Chromium-based browsers: unconfirmed
Fixed in
- Google Chrome 156.0.8078.47 or later (stated for the affected builds)
- Windows and macOS: 156.0.8078.48 according to secondary sources, not yet confirmed against the vendor post
- Android and iOS: unconfirmed
- Debian chromium: sources conflict, check the Debian security tracker
Workaround
Unknown. No workaround is documented; apply the browser update.
Exploitation
- No in-the-wild exploitation or public proof of concept found at the time of research.
- A point-in-time snapshot does not list it in CISA KEV; recheck the KEV catalogue.
Our recommendation
- Update Google Chrome to the latest stable version on all endpoints via the managed update channel, not only to 156.0.8078.47.
- Restart the browser after updating and verify the installed version.
- Patch Chromium-based browsers and Linux packages as separate tracks.
- Give priority to endpoints that browse the web with Chrome.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Chrome Releases: Stable Channel Update for Desktop chromereleases.googleblog.com
- Chromium issue tracker issues.chromium.org
- Vulners CVE record (CVELIST) vulners.com
- Vulners NVD mirror vulners.com
- Ubuntu security notice ubuntu.com
- Microsoft Edge advisory mirror vulners.com
- Strix CVE page www.strix.ai
- Penligent Chrome 156 security update www.penligent.ai
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 31 Oct 2026, 11:50.
Original description (NVD)
Use after free in Turbolev in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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