Google Chrome: Memory corruption in XML handling allows sandboxed code execution
Summary
Google Chrome versions before 156.0.8078.47 contain a memory corruption flaw in XML handling (CWE-119). A remote attacker can craft an HTML page that may execute arbitrary code inside the browser sandbox. The victim must open the malicious page, for example through a phishing link or a malicious advertisement; no login is required.
Affected
- Google Chrome prior to 156.0.8078.47 (desktop, Windows, Mac and Linux)
- Chromium-based browsers that have not received the fix (e.g. Microsoft Edge) must be checked separately
Fixed in
- Google Chrome 156.0.8078.47 or later; install the latest stable build of Chrome 156 or newer
- Per-CVE fix mapping in the vendor advisory could not be verified
Workaround
- No workaround documented. Updating Chrome is the only effective mitigation.
Exploitation
- No evidence of in-the-wild exploitation known at the time of writing.
- CISA KEV status: unverified.
- No public proof of concept found.
Our recommendation
- Update Google Chrome to version 156.0.8078.47 or later on all workstations, ideally the latest stable build.
- Restart Chrome after the update so the fixed version becomes active.
- Check the version via Menu > Help > About Google Chrome, or verify through your management tool.
- Update other Chromium-based browsers separately.
- Prioritise this update because Chrome is widely deployed and the attack requires only a visit to a malicious page.
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
- NVD record via Vulners vulners.com
- Microsoft CVE entry via Vulners vulners.com
- Ubuntu CVE tracker ubuntu.com
- Chrome 156 stable update overview (browserhow) browserhow.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, 12:15.
Original description (NVD)
Memory corruption in XML 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: 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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