What is CVE-2026-5892?

CVE-2026-5892 is a medium-severity vulnerability in Apple macOS, classified under CWE-1268. CVSS score: 6.6/10. Published 2026-04-08.

How severe is CVE-2026-5892?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Vulnerability in Apple macOS

CVE-2026-5892

Insufficient policy enforcement in PWAs in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to install a PWA without user consent via a crafted HTML page. (Chromium security severity: Medium)

Published 2026-04-08 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (4.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.3% 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-1268

References

chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/487568011 (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-5892?: CVE-2026-5892 is a medium-severity vulnerability in Apple macOS, classified under CWE-1268. CVSS score: 6.6/10. Published 2026-04-08.
How severe is CVE-2026-5892?: Medium severity. CVSS v3 base score is 6.6 out of 10.