Google Chrome: Memory corruption in Navigation on iOS
Summary
Chrome on iOS contains a memory corruption flaw in the Navigation component, which handles page loading and movement between pages. A remote attacker can use a crafted HTML page to execute arbitrary code inside the browser sandbox. The attack requires that a user visits the malicious page. Chromium rates the issue Low, and CVSS v3.1 is 8.8.
Affected
- Google Chrome on iOS prior to 156.0.8078.47 (according to the CVE record)
- The exact fixed iOS build is unclear because the sources conflict. Unknown.
Fixed in
- Chrome 156 release line, the exact iOS build is unknown. Install the latest Chrome version from the App Store.
Workaround
Unknown.
Exploitation
- No evidence of exploitation in the wild and no public proof of concept were found in the research notes.
- CISA SSVC: Exploitation none, Automatable no, Technical Impact total.
Our recommendation
- Update Chrome on iOS to the latest version from the App Store on all managed devices.
- Check that automatic updates are enabled for Chrome on iOS.
- Limit browsing of untrusted websites on devices with sensitive data until the update is installed.
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
- Vulners CVE record (CVELIST) vulners.com
- Strix CVE-2026-113268 www.strix.ai
- Windowsforum: Chrome 156 security update windowsforum.com
- GBHackers: Google Chrome 156 fixes 353 vulnerabilities gbhackers.com
- Wikipedia: Google Chrome en.wikipedia.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, 12:28.
Original description (NVD)
Memory corruption in Navigation in Google Chrome on on iOS 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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