# CVE-2026-92173 — Meta Horizon OS

> As of 2026-10-01, CVE-2026-92173 is a CRITICAL-severity vulnerability in Meta Horizon OS, CVSS v3.1 9.1, EPSS 0.2% (12.5th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-92173 as of 2026-10-01; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-10-01

## What is 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.

The record classifies CVE-2026-92173 under weakness class [CWE-923](https://cwe.mitre.org/data/definitions/923.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 5 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.1 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 12.5% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-30, last modified 2026-10-01

## Is CVE-2026-92173 being exploited?

It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **Meta Platforms, Inc**: Meta Horizon OS

## How to fix CVE-2026-92173

No vendor patch reference has been recorded for CVE-2026-92173 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-92173

No threat campaign in the Threadlinqs corpus currently references CVE-2026-92173, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-01.

**Vendor advisory and patch**

- [facebook.com](https://www.facebook.com/security/advisories/cve-2026-92173)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-92173
Full detection coverage and IOCs for threats exploiting CVE-2026-92173 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp