CVE-2026-106303

Status: Awaiting AnalysisMedium (5.3)—

Observable discrepancy in Autofill AI in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Base score: 5.3

Exploitation probability (EPSS)

FIRST hasn't scored this CVE yet (usual for very recent or rejected CVEs).

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1203 Exploitation for Client Executionexecution85 %
Primary impactT1552.001 Credentials In Filescredential access75 %

Requiere interacción del usuario (UI:R) sobre HTML preparada, indicando ejecución en el cliente. Acceso a información sensible del Autofill (credenciales/datos personales almacenados).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

User Training Restrict File and Directory Permissions Password Policies Audit Application Isolation and Sandboxing Exploit Protection

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Google — Chrome^AI

CWEs

CWE-203

References

Raw JSON (NVD)

Show

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          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
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      "url": "https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html",
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      "url": "https://issues.chromium.org/issues/517475258",
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  "lastModified": "2026-10-06T20:17:22.367",
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