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CVE-2026-87621 is a high-severity out-of-bounds write vulnerability in ANGLE in Google Chrome for Windows prior to version 153.0.8010.36. Processing a crafted HTML page can trigger an out-of-bounds memory write, potentially allowing execution of attacker-controlled code outside Chrome's sandbox.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity out-of-bounds write vulnerability in ANGLE, as used by Google Chrome on Windows before version 153.0.8010.36. A remote attacker could potentially use a crafted HTML page to execute arbitrary code outside Chrome's sandbox.
A network-accessible vulnerability tracked as CVE-2026-87621, with a CVSS v3.0 vector of AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The referenced detection applies to unpatched Debian Linux 12.0, 13.0, and 14.0 systems, including Chromium package CPE coverage.
Out-of-bounds write flaw in Chrome ANGLE.
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.