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CVE-2026-15773 is a high-severity use-after-free vulnerability in the Core component of Google Chrome on Windows. It affects Chrome versions prior to 150.0.7871.125. The flaw can be triggered by a remote attacker through a crafted HTML page, causing Chrome to access memory after it has been freed. In the affected Windows context, successful exploitation could potentially be leveraged to escape Chrome's sandbox boundary. The vulnerability is classified as CWE-416.
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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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability in Google Chrome Core on Windows that could allow a remote attacker to potentially achieve a sandbox escape via a crafted HTML page.
A high-severity use-after-free vulnerability in Chrome's Core component.
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.