What is CVE-2026-7351?

CVE-2026-7351 is a low-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 3.1/10. Published 2026-04-28.

How severe is CVE-2026-7351?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Apple macOS

CVE-2026-7351

Race in MHTML in Google Chrome prior to 147.0.7727.138 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: High)

Vulnerability class: Race Condition

Published 2026-04-28 · last modified 2026-07-24.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.001 (2.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

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

References

chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html (Vendor Advisory)
issues.chromium.org/issues/499119490 (Permissions Required)

Frequently asked questions

What is CVE-2026-7351?: CVE-2026-7351 is a low-severity vulnerability in Apple macOS, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 3.1/10. Published 2026-04-28.
How severe is CVE-2026-7351?: Low severity. CVSS v3 base score is 3.1 out of 10.