Google Chrome: Memory corruption in WebAppInstalls on Android
Summary
Google Chrome for Android contains a memory corruption flaw in the WebAppInstalls component (CWE-119). An attacker who lures a user to a crafted HTML page can execute arbitrary code outside the browser sandbox. The attack requires the user to open the page, but no privileges. NVD rates it 9.6 (critical), while Chromium rates it Low.
Affected
- Google Chrome on Android prior to 156.0.8078.47 (CVE record)
- Conflicting secondary source: Android 156 builds from 156.0.8078.73 onward carry the fixes (not verified against Google)
Fixed in
- Android: 156.0.8078.47 per the CVE record; verify against Google's Android release notes
- Newer Android stable build exists: 157.0.8103.14 (reported 22 October 2026)
Workaround
- Unknown. No vendor-documented mitigation found; updating is the fix.
Exploitation
- Not listed in CISA KEV (community tracker).
- CISA SSVC: exploitation none, automatable no, technical impact total.
- No known exploitation reported in release coverage; this is not a per-CVE confirmation.
- No public proof of concept found.
Our recommendation
- Inventory Android devices with Chrome and check their versions.
- Ensure all devices run at least 156.0.8078.47, preferably the latest stable build.
- Verify that Google Play auto-updates are not disabled by MDM policy.
- Train users to be cautious with unknown links and web content.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- CVE record (Chromium issue tracker) issues.chromium.org
- Chrome Releases: Stable Channel Update for Desktop chromereleases.googleblog.com
- Microsoft Security Update Guide entry msrc.microsoft.com
- VulDB entry vuldb.com
- Vulners CVE record vulners.com
- Chrome 156 security update coverage windowsforum.com
- Google Chrome release overview (Wikipedia) en.wikipedia.org
- Community tracker entry (KEV status) github.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 30 Oct 2026, 22:32.
Original description (NVD)
Memory corruption in WebAppInstalls in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside 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.
Affected? We can help.
We check whether your systems are affected, install updates and close the gap – continuously with the System Health Checker if you wish.