Google Chrome: Memory corruption in DevTools
Summary
Google Chrome before 156.0.8078.47 contains a memory corruption flaw in DevTools, the built-in developer tooling. A remote attacker can use a crafted HTML page to potentially execute arbitrary code inside the browser sandbox. The victim must open the attacker's page, and the record does not describe a sandbox escape or full system compromise. NVD rates the issue CVSS 8.8 (High), while VulDB rates it 6.3 (Medium).
Affected
- Google Chrome before 156.0.8078.47 (CNA record)
- VulDB lists up to 155.0.8059.84
- Chromium-based browsers such as Microsoft Edge depend on their own updates
- Ubuntu chromium-browser package is marked not affected (snap wrapper)
Fixed in
- Google Chrome 156.0.8078.47 is the minimum fixed build reported by third parties
- Later Stable builds exist (e.g. 156.0.8078.79/.80); deploy the current Stable build
- The exact build that first carried this fix is unconfirmed
Workaround
Unknown. No workaround is documented in the sources. Updating is the remedy.
Exploitation
- No evidence of exploitation in the wild found; not listed in CISA KEV according to Strix (not verified directly)
- No public proof of concept found
- CISA SSVC: Exploitation none, Automatable no, Technical Impact total
- Chromium rates the issue Low severity
Our recommendation
- Update Chrome to the current Stable build (at least 156.0.8078.47) on all workstations and servers that browse the web
- Restart browsers after the update, because the fix takes effect only after relaunch
- Check Edge, other Chromium-based browsers and Linux chromium packages
- Prioritise administrator workstations and verify installed versions in managed fleets
- Recheck NVD and CISA KEV regularly for exploitation news
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 entry issues.chromium.org
- Microsoft MSRC update guide msrc.microsoft.com
- VulDB entry vuldb.com
- Vulners NVD mirror vulners.com
- Ubuntu CVE tracker ubuntu.com
- Strix CVE page www.strix.ai
- TechSpot Google Chrome downloads www.techspot.com
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, 14:36.
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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