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CVE-2026-87588 is a medium-severity use-after-free vulnerability in Google Chrome's Chromecast functionality. Chrome versions prior to 153.0.8010.36 mishandle object lifetime during processing of crafted HTML content, allowing a remote attacker to execute arbitrary code within the Chrome sandbox.
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A medium-severity use-after-free vulnerability in the Chromecast component of Google Chrome before version 153.0.8010.36. A remote attacker could use a crafted HTML page to execute arbitrary code within Chrome's sandbox.
A vulnerability published on 2026-09-08, identified as CVE-2026-87588. The supplied plugin metadata identifies Debian Linux 12.0, 13.0, and 14.0 in its CPE information, but does not describe the underlying flaw type or affected component.
Use-after-free flaw in Chromecast functionality.
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.