What is CVE-2026-7988?

CVE-2026-7988 is a high-severity vulnerability in Apple macOS, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-05-06.

How severe is CVE-2026-7988?

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

Vulnerability in Apple macOS

CVE-2026-7988

Type Confusion in WebRTC in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

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: 0.005 (40.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html (Vendor Advisory)
issues.chromium.org/issues/498753456 (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-7988?: CVE-2026-7988 is a high-severity vulnerability in Apple macOS, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-05-06.
How severe is CVE-2026-7988?: High severity. CVSS v3 base score is 8.8 out of 10.