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CVE-2026-91729 is a high-severity use-after-free vulnerability in the DigitalCredentials component of Google Chrome before version 153.0.8010.47. A remote attacker can use a crafted HTML page to trigger use of memory after it has been freed, potentially achieving arbitrary code execution outside Chrome's 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.
If you can’t patch tonight, do this now.
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 DigitalCredentials.
A High-severity use-after-free vulnerability in Chrome DigitalCredentials.
A high-severity use-after-free vulnerability in Google Chrome's DigitalCredentials component. A remote attacker could use a crafted HTML page and social engineering to execute arbitrary code outside Chrome's sandbox in versions prior to 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.