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CVE-2026-16806 is a high-severity use-after-free vulnerability in the WebMCP component of Google Chrome. The flaw affects Chrome versions prior to 150.0.7871.186 and can be triggered by remote content delivered through a crafted HTML page. Successful exploitation may corrupt memory and allow arbitrary code execution within the browser’s sandboxed renderer context.
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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.
If you can’t patch tonight, do this now.
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 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.
A high-severity use-after-free vulnerability in Chrome's WebMCP component.
A use-after-free vulnerability in WebMCP in Google Chrome that allows a remote attacker to execute arbitrary code inside the browser sandbox via a crafted HTML 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.