What is CVE-2026-7903?

CVE-2026-7903 is a high-severity vulnerability in Apple macOS, classified under CWE-472. CVSS score: 8.8/10. Published 2026-05-06.

How severe is CVE-2026-7903?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Apple macOS

CVE-2026-7903

Integer overflow in ANGLE in Google Chrome on Mac,Windows prior to 148.0.7778.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Published 2026-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.0% 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: +0.001

Affected products

Apple macOS
Google Chrome — versions 148.0.7778.96
Microsoft Windows

Weakness classification (CWE)

CWE-472

References

chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html (Vendor Advisory)
issues.chromium.org/issues/491760376 (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-7903?: CVE-2026-7903 is a high-severity vulnerability in Apple macOS, classified under CWE-472. CVSS score: 8.8/10. Published 2026-05-06.
How severe is CVE-2026-7903?: High severity. CVSS v3 base score is 8.8 out of 10.