What is CVE-2026-92173?

CVE-2026-92173 is a critical-severity vulnerability in Meta Platforms, Inc Horizon OS, classified under CWE-923. CVSS score: 9.1/10. Published 2026-09-30.

How severe is CVE-2026-92173?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Meta Platforms, Inc Horizon OS

CVE-2026-92173

Prior to v74.0.0.878.1682 of Meta Horizon OS, MediaSyncJobReceiver could be induced to send a privileged PendingIntent including a com.oculus.vrshell CallerIdentity to an arbitrary application listening via NotificationListenerService. That would allow the application to impersonate the com.oculus.vrshell package, as well as packages signed with the same key, towards any endpoint within the OS that uses CallerIdentity authentication.

Published 2026-09-30 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Meta Platforms, Inc Horizon OS

Weakness classification (CWE)

CWE-923

References

www.facebook.com/security/advisories/cve-2026-92173

Frequently asked questions

What is CVE-2026-92173?: CVE-2026-92173 is a critical-severity vulnerability in Meta Platforms, Inc Horizon OS, classified under CWE-923. CVSS score: 9.1/10. Published 2026-09-30.
How severe is CVE-2026-92173?: Critical severity. CVSS v3 base score is 9.1 out of 10.