What is CVE-2026-13874?

CVE-2026-13874 is a medium-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2026-06-30.

How severe is CVE-2026-13874?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apple macOS

CVE-2026-13874

Race in DataTransfer in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Race Condition

Published 2026-06-30 · last modified 2026-07-01.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% 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: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Vendor Advisory)
issues.chromium.org/issues/498411773 (Permissions Required)

Frequently asked questions

What is CVE-2026-13874?: CVE-2026-13874 is a medium-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.3/10. Published 2026-06-30.
How severe is CVE-2026-13874?: Medium severity. CVSS v3 base score is 5.3 out of 10.