Google Chrome: Use after free in Media component
Summary
A use-after-free vulnerability in the Media component of Google Chrome before 155.0.8059.79 allows a remote attacker to execute arbitrary code inside the browser sandbox. Exploitation requires the victim to open a crafted HTML page, for example via a malicious link, email or compromised website. The CVSS score is 8.8 (High); the NVD and the vendor data agree on this rating.
Affected
- Google Chrome before 155.0.8059.79 (desktop)
- Debian chromium package 12 before 155.0.8059.79-1~deb12u1
- Ubuntu chromium-browser: not affected (Snap package, check Snap channel)
- Chromium-based browsers: depends on vendor build, not verified
Fixed in
- Google Chrome 155.0.8059.79 or later (Windows and Mac: 155.0.8059.79/.80, Linux: 155.0.8059.79)
- Debian 12 chromium 155.0.8059.79-1~deb12u1
- Android and ChromeOS: Unknown.
Workaround
- No workaround known. Apply the update.
Exploitation
- Not listed in CISA KEV according to third-party sources; the CISA KEV catalogue was not checked directly.
- No public proof of concept detected according to aggregators.
- No reports of in-the-wild exploitation found.
- CISA SSVC: Exploitation none, Automatable no, Technical Impact total.
Our recommendation
- Confirm all Chrome installations run 155.0.8059.79 or later (155.0.8059.80 on Windows and Mac if that is what your channel delivers).
- Check Chromium-based browsers and Linux Snap or Debian packages separately.
- Ensure auto-update is enabled and the Relaunch step is not blocked.
- Monitor the Chromium bug and CISA KEV for changes, as the bug is recent.
- Apply the update as part of the wider release, which fixes 37 flaws including seven Critical ones.
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
- Ubuntu Security: CVE-2026-110171 ubuntu.com
- OSV: DEBIAN-CVE-2026-110171 osv.dev
- Malwarebytes: Chrome fixes 37 security flaws www.malwarebytes.com
- CVE record mirror (threatint) cve.threatint.com
- Google Chrome Enterprise support: Update Chrome support.google.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, 16:55.
Original description (NVD)
Use after free in Media in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to 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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