P4Verified

CVE-2025-12909: chrome before 140.0.7339.80 (exclusive); +1 more affected products

CVE-2025-12909. CVSS 3.1 base score 5.3 (MEDIUM, Source advisory). EPSS 0.00195 (percentile 0.08397), scored 2026-10-06.

Affected technology

chrome · before 140.0.7339.80 (exclusive)
google

Chrome · 140.0.7339.80 to before 140.0.7339.80
Google

Description’s affected range: prior to 140.0.7339.80 allowed a remote attacker to leak cross-origin data via Devtools. (Chromium security severity: Low)

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 5.3/10) rates confidentiality impact as low; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-07 23:05:58.671914+00:00

CWE: CWE-693
CCR priority: 21.2 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · Source advisory
EPSS: 0.00195 · percentile 0.08397 · 2026-10-06
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 23:02:50.240617+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-12909.html