by Kastro
Paper/Archive/CVE-2026-17990

CVE-2026-17990

Google Chrome — Insufficient validation of untrusted input in WebAuthn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromi…

EPSS 0.3%CVSS 9.6
critical.is priorityof 100
34
CVSS 9.6 (ADP)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 24.8.248 × 205.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Insufficient validation of untrusted input in WebAuthn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted PDF file. (Chromium security severity: Low)

Affected

ProductAffectedFixed inSource
Chrome151.0.7922.72 – < 151.0.7922.72151.0.7922.72CNA

Scores by source

CISA ADP9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refchromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.htmlrefissues.chromium.org/issues/520018012