Google Chrome: Memory corruption in DevTools allows sandboxed code execution
Summary
Google Chrome versions prior to 156.0.8078.47 contain a memory corruption flaw in the built-in DevTools component. A remote attacker can execute arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The attack needs no authentication but requires user interaction, such as opening the page.
Affected
- Google Chrome desktop prior to 156.0.8078.47 (Windows, Mac, Linux)
- Chromium-based browsers that include the affected code, such as Microsoft Edge, depending on their build (vendor confirmation pending)
Fixed in
- Google Chrome 156.0.8078.47 or later (newer Stable builds are available; deploy the latest Stable build)
Workaround
Unknown. No workaround is documented; applying the vendor update is the recommended fix.
Exploitation
- No evidence of exploitation in the wild found.
- No public proof of concept found.
- CISA SSVC assessment: Exploitation none, Automatable no, Technical Impact total.
- Google rates the issue Chromium security severity Low.
Our recommendation
- Update Google Chrome on all workstations to the latest Stable build, at least 156.0.8078.47.
- Restart browsers after the update, since Chrome applies updates on relaunch.
- Check Chromium-based browsers such as Edge and Linux distribution packages for their own fixes.
- Prioritise endpoints used for general web browsing.
- Consider restricting DevTools through enterprise policy until patching is complete, after verifying the policy in Google's documentation.
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 563819290 issues.chromium.org
- CVE-2026-113125 on Vulners (CVE list) vulners.com
- CVE-2026-113125 on Ubuntu Security ubuntu.com
- Microsoft Edge multiple vulnerabilities (HKCERT) www.hkcert.org
- CVE-2026-113125 on Strix www.strix.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, 13:51.
Original description (NVD)
Memory corruption in DevTools 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: Low)
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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