CVE-2026-91736 is a High-severity use-after-free vulnerability in the DOM component of Google Chrome before version 153.0.8010.47. A remote attacker can trigger the memory-lifetime flaw by causing Chrome to process crafted HTML content, potentially resulting in arbitrary code execution within the Chrome 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.
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.
High-severity use-after-free vulnerability in Chrome DOM.
A High-severity use-after-free vulnerability in Chrome DOM.
A high-severity use-after-free vulnerability in Google Chrome's DOM component that permits a remote attacker to execute arbitrary code within the browser sandbox by enticing a user to process a crafted HTML page. It affects Chrome versions earlier than 153.0.8010.47.
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.