Google Chrome: Use after free in Media component
Summary
A use-after-free vulnerability in the Media component of Google Chrome before 155.0.8059.39 allows a remote attacker to execute arbitrary code inside the browser sandbox. Exploitation requires the victim to open a crafted HTML page. Google rates the issue as Medium severity in its own scale, and CISA SSVC assessment reports no exploitation.
Affected
- Google Chrome prior to 155.0.8059.39 (desktop, Windows, Mac and Linux)
- Chromium-based products that bundle their own Chromium build, such as Microsoft Edge prior to 155.0.4283.62 (desktop)
Fixed in
- Google Chrome 155.0.8059.39 or later (Windows, Mac and Linux; 155.0.8059.39/.40 per the Google post for Windows and Mac)
- Microsoft Edge 155.0.4283.62 or later (desktop)
- Debian chromium 155.0.8059.39-1~deb12u1 or later
- Chainguard chromium 155.0.8059.39-r0 or later
Workaround
Unknown.
Exploitation
- Known exploited (CISA KEV): No, according to secondary sources; verify in the CISA KEV catalogue.
- Public proof of concept: none found; status is unknown.
- EPSS score: 0.00331 (low).
Our recommendation
- Update Google Chrome to 155.0.8059.39 or a newer stable release and restart the browser.
- Update all Chromium-based browsers and applications that bundle their own Chromium, such as Microsoft Edge, Electron-based apps and Debian or SUSE chromium packages.
- Enforce the update on managed devices through the admin console.
- Monitor for unusual browser crashes or unexpected code execution.
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
- Malwarebytes: Update Chrome and ChromeOS to fix critical security issues www.malwarebytes.com
- HKCERT security bulletin: Microsoft Edge multiple vulnerabilities www.hkcert.org
- Debian CVE record (OSV) osv.dev
- SUSE CVE record (Vulners) vulners.com
- Chainguard CVE record (Vulners) vulners.com
- OpenCVE: CVE-2026-106335 app.opencve.io
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, 21:54.
Original description (NVD)
Use after free in Media in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
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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