Google Chrome: Memory corruption in DevTools
Summary
A memory corruption flaw in the DevTools component of Google Chrome before 156.0.8078.47 allows a remote attacker to potentially execute arbitrary code inside the browser sandbox. Exploitation requires that a user visits a crafted HTML page. Chromium rates the issue as Low severity, while the CNA scored it CVSS 8.8 (High).
Affected
- Google Chrome desktop builds before 156.0.8078.47
Fixed in
- Google Chrome 156.0.8078.47 (Stable Channel Update for Desktop, October 20, 2026)
Workaround
Unknown.
Exploitation
- No known exploitation in the wild according to the research notes.
- CISA SSVC assessment: Exploitation none, Automatable no, Technical Impact total.
Our recommendation
- Update all Google Chrome installations to version 156.0.8078.47 or later and restart the browser.
- Check that Chromium-based browsers in use, such as Microsoft Edge, are also updated.
- Prioritise this update for systems used for general web browsing.
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 Security Update Guide msrc.microsoft.com
- Vulners CVE record vulners.com
- Chrome 156 security update (Penligent) 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, 13:43.
Original description (NVD)
Memory corruption in DevTools 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: 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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