Google Chrome: Use-after-free vulnerability in Permissions
Summary
A use-after-free vulnerability in the Permissions component of Google Chrome before 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the browser sandbox. The attacker needs a victim to open a crafted HTML page. Google rates the Chromium security severity as Low, and the reviewed sources report no exploitation.
Affected
- Google Chrome before 156.0.8078.47
- Android Chrome builds before 156.0.8078.47 (per secondary reporting)
Fixed in
- Google Chrome 156.0.8078.47 or later (per secondary reporting; confirm against the Chrome Releases advisory)
- Android Chrome 156.0.8078.47 or later (per secondary reporting)
Workaround
Unknown. No workaround is documented in the reviewed sources. Update the browser and restart it afterwards.
Exploitation
- No evidence of exploitation in the wild found.
- CISA KEV status not verified.
- No public proof of concept found.
Our recommendation
- Confirm that all endpoints run Chrome 156.0.8078.47 or later and restart the browser after updating.
- Keep automatic updates enabled and verify browser versions on managed devices.
- Patch in the normal cycle together with the other fixes in Chrome 156, as Google reports 353 security fixes in that release.
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
- Strix CVE record www.strix.ai
- Vulners CVE-2026-113168 vulners.com
- CyberSecurityNews: Chrome 156 security update cybersecuritynews.com
- TechGeeks: Google Chrome 156 stable security notice www.techgeeks.org
- WindowsForum: Chrome 156 security update windowsforum.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, 13:24.
Original description (NVD)
Use after free in Permissions in Google Chrome 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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