Vulnerability in Google Chrome
CVE-2026-13940
Uninitialized Use in Cast in Google Chrome prior to 150.0.7871.47 allowed an attacker on the local network segment to obtain potentially sensitive information from process memory via malicious network traffic. (Chromium security severity: Medium)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (5.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.6% 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: 0.002 · change: 0.000
Affected products
- Google Chrome — versions 150.0.7871.47
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/513158425 (Permissions Required)
Frequently asked questions
- What is CVE-2026-13940?
- CVE-2026-13940 is a medium-severity vulnerability in Google Chrome, classified under CWE-457. CVSS score: 6.5/10. Published 2026-06-30.
- How severe is CVE-2026-13940?
- Medium severity. CVSS v3 base score is 6.5 out of 10.