Use-after-free in DigitalCredentials in Google Chrome
CVE-2026-12440 is a critical use-after-free vulnerability in the DigitalCredentials component of Google Chrome on Windows prior to 149.0.7827.155. The flaw is triggered when Chrome processes attacker-controlled content delivered via a crafted HTML page, leading to a stale pointer dereference after the underlying object has been freed. Google classifies the issue as Critical and indicates that successful exploitation could potentially be used for a sandbox escape. Public technical details about the precise vulnerable code path or function are not available in the provided content.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical use-after-free vulnerability in Chrome's Digital Credentials component that could allow arbitrary code execution in the browser context.
A critical Chrome vulnerability affecting Digital Credentials, discussed as part of a set of severe browser bugs with potentially serious impact if chained.
A critical use-after-free vulnerability in Chrome DigitalCredentials.
The version that knows your environment.
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.