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CVE-2026-91727 is a high-severity incorrect reference-resolution vulnerability in the Google Chrome Extensions component on macOS before version 153.0.8010.47. A local attacker that has already compromised a Chrome renderer process can abuse incorrect reference resolution through a local program to execute arbitrary code outside Chrome's sandbox.
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No public exploit code observed for this vulnerability.
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High-severity incorrect reference-resolution vulnerability in Chrome Extensions.
A High-severity incorrect-reference-resolution vulnerability in Chrome Extensions.
A high-severity incorrect-reference-resolution vulnerability in Google Chrome Extensions on macOS prior to version 153.0.8010.47. An attacker who has already compromised the renderer process could execute arbitrary code outside Chrome's sandbox through a local program.
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.