Home/CVE/Inappropriate implementation in Passkeys in Google Chrome prior to 140.0.7339.80 allowed a local attacker to obtain pote
CVE

CVE-2025-12910

Inappropriate implementation in Passkeys in Google Chrome prior to 140.0.7339.80 allowed a local attacker to obtain pote

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)

MEDIUM · CVSS 6.2 EPSS 9e-05
Schedule remediation
  • Public exploit or PoC is available
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-1295Debug Messages Revealing Unnecessary Information
▤

Affected Products & Versions

1
google chrome< 140.0.7339.80
⚠

Public Exploits & PoCs

1
pocissues.chromium.org · 434977743issues.chromium.org
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighRunning Chrome VPN Extensions via the Registry 2 VPN Extension
productmediumPotential Chrome Frame Helper DLL Sideloading
▣

Scoring & Timeline

6.2
MEDIUM · CVSS v3.1 · chrome-cve-admin@google.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Nov 2025 · 12:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
chrome-releasesCHROME-tag:blogger.com,
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.htmlVendor Advisory
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