Use-after-free in Cast in Google Chrome
CVE-2026-12014 is a high-severity use-after-free vulnerability in the Cast component of Google Chrome and Chromium-based browsers. It affects Google Chrome versions prior to 149.0.7827.115. According to the provided content, the flaw can be triggered via malicious network traffic from an attacker on the same local network segment, and successful exploitation could potentially result in a sandbox escape. The available information does not identify the specific vulnerable function or code path within Cast.
Are you exposed to this one?
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability in Cast in Google Chrome that could allow an attacker on the local network segment to potentially achieve a sandbox escape via malicious network traffic.
A high-severity use-after-free vulnerability in Chrome Cast.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.