What is CVE-2026-8550?

CVE-2026-8550 is a medium-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 6.5/10. Published 2026-05-14.

How severe is CVE-2026-8550?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Use After Free in Apple macOS

CVE-2026-8550

Use after free in Google Lens in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Use-After-Free

Published 2026-05-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.8% 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

Weakness classification (CWE)

CWE-416 — Use After Free

References

chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html (Product, Vendor Advisory)
issues.chromium.org/issues/498322453 (Permissions Required)

Frequently asked questions

What is CVE-2026-8550?: CVE-2026-8550 is a medium-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 6.5/10. Published 2026-05-14.
How severe is CVE-2026-8550?: Medium severity. CVSS v3 base score is 6.5 out of 10.