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CVE-2026-6317 is a high-severity use-after-free vulnerability in the Cast component of Google Chrome. The flaw affects Chrome versions prior to 147.0.7727.101 and arises when a Cast-related object is accessed after its underlying memory has been freed, creating a dangling pointer condition. A remote attacker can trigger the vulnerable state through a crafted HTML page and potentially reclaim the freed memory with attacker-controlled data, which may allow redirection of execution flow within the browser process. The issue is remotely reachable and requires user interaction in the form of visiting a malicious webpage.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity use-after-free vulnerability in Cast in Google Chrome.
A high-severity use-after-free vulnerability in Google Chrome's Cast component that can allow remote code execution via a crafted malicious webpage.
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.