Google Chrome: Memory corruption in IME allows sandboxed code execution
Summary
Google Chrome before 156.0.8078.47 contains a memory corruption flaw in the Input Method Editor (IME) component. A remote attacker can potentially execute arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. No user privileges are needed, but the victim must visit the malicious page.
Affected
- Google Chrome versions before 156.0.8078.47
- Chromium-based browsers that ingest the fix may also be affected (for example Microsoft Edge; check the vendor entry for affected builds)
Fixed in
- Google Chrome 156.0.8078.47 or later (install the newest stable build; a later Stable update to 156.0.8078.79/.80 for Windows and Mac is reported by secondary sources)
- Linux distributions: check the vendor advisories for the fixed package versions
Workaround
Unknown.
Exploitation
- No in-the-wild exploitation known in the sources reviewed
- Not listed in CISA KEV according to a third-party tracker; EPSS unknown
- No public proof of concept found
- Chromium security severity: Medium
Our recommendation
- Update Google Chrome to the latest stable build on all desktops now and restart the browser so the update takes effect
- Check that no Chrome instance is still running an old build
- Update other Chromium-based browsers and Linux packages as published by their vendors
- Apply the full Chrome 156 stable release, which fixes further security issues
- Monitor vendor and CISA advisories for changes in exploitation status
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
- Microsoft MSRC Update Guide msrc.microsoft.com
- Ubuntu Security Notice ubuntu.com
- NVD mirror (Vulners) vulners.com
- Cyberpress: Chrome update fixes 353 security vulnerabilities cyberpress.org
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, 14:56.
Original description (NVD)
Memory corruption in IME in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
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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