CVE-2026-87504 is a medium-severity use-after-free vulnerability in Google Chrome Core affecting versions before 153.0.8010.36. A remote attacker can leverage a crafted Chrome extension and social engineering to trigger use of freed memory, resulting in arbitrary code execution outside Chrome's browser sandbox.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability in Chrome Core addressed by Chrome 153.
A use-after-free vulnerability in Chrome Core fixed in Chrome 153.
A medium-severity use-after-free vulnerability in Google Chrome Core prior to version 153.0.8010.36. It can allow a remote attacker to execute arbitrary code outside Chrome's sandbox by persuading a user to interact with a crafted Chrome extension.
A network-reachable vulnerability, rated CVSS v3 8.8, affecting Debian Linux 12.0, 13.0, and 14.0 according to the provided Nessus plugin metadata. The supplied content does not identify the vulnerable component or technical flaw type.
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.