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CVE-2026-16806 is a high-severity use-after-free vulnerability in the WebMCP component of Google Chrome. It affects Chrome versions prior to 150.0.7871.186. The flaw can be triggered by a remote attacker through a crafted HTML page, leading to memory corruption and allowing arbitrary code execution within the Chrome sandbox. Publicly available information identifies the bug class and affected component, but does not provide further detail about the specific vulnerable function or code path.
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What an attacker gets, and what they’ve been doing with it.
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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.
18 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 Chrome's WebMCP component permits remote code execution within the browser sandbox through a crafted HTML page. User interaction is required, and the CVSS v3 base score is 8.8. The advisory recommends updating Echo's Chromium packages to 150.0.7871.181-1~deb13u1+e2 or later.
A use-after-free vulnerability in Chrome WebMCP that may allow a remote attacker to execute arbitrary code inside the Chrome sandbox through a crafted HTML page.
A high-severity use-after-free vulnerability affecting Chrome's WebMCP component.
A high-severity use-after-free vulnerability in Chrome WebMCP that could enable arbitrary code execution inside the browser sandbox through a crafted page.
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.