Description
Inappropriate implementation in Passkeys in Google Chrome prior to 140.0.7339.80 allowed a local attacker to obtain potentially sensitive information via debug logs. (Chromium security severity: Low)
Affected products
google: chrome
References2
- chromereleases.googleblog.com/2025/09/stable-channel-update-for… Vendor Advisory
- issues.chromium.org/issues/434977743 ExploitIssue Tracking
Metrics
- CVSS 3.1
-
6.2
MEDIUM
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 0% percentile: 4 · as of 10 November 2026
- CWE
- CWE-1295
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.