Vulnerability in Google Chrome
CVE-2026-1504
Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (15.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Google Chrome — versions 144.0.7559.110
References
- chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_27.html (Release Notes)
- issues.chromium.org/issues/474435504 (Permissions Required)
Frequently asked questions
- What is CVE-2026-1504?
- CVE-2026-1504 is a medium-severity vulnerability in Google Chrome. CVSS score: 6.5/10. Published 2026-01-27.
- How severe is CVE-2026-1504?
- Medium severity. CVSS v3 base score is 6.5 out of 10.