# CVE-2026-87522 — Google Chrome

> As of 2026-09-10, CVE-2026-87522 is a MEDIUM-severity vulnerability in Google Chrome, CVSS v3.1 6.5, EPSS 0.2% (18.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-87522, most recently “Multiple Vulnerabilities in Microsoft Edge prior to 154.0.4258.53 (HK GovCERT A26-10-03)”.

**Last updated:** 2026-09-10

## What is CVE-2026-87522?

Missing authorization in WebView in Google Chrome on on Android prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to potentially bypass system access restrictions via crafted network traffic. (Chromium security severity: Low)

The record classifies CVE-2026-87522 under weakness class [CWE-862](https://intel.threadlinqs.com/cwe/CWE-862). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 45 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.5 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 18.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-09, last modified 2026-09-10

## Is CVE-2026-87522 being exploited?

It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Google](https://intel.threadlinqs.com/vendors/google): Chrome

## How to fix CVE-2026-87522

No vendor patch reference has been recorded for CVE-2026-87522 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-2026-87522

1 tracked threat in the Threadlinqs corpus references CVE-2026-87522, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Multiple Vulnerabilities in Microsoft Edge prior to 154.0.4258.53 (HK GovCERT A26-10-03)](https://intel.threadlinqs.com/threat/TL-2026-2838) — CRITICAL · 2026-10-02

## Sources

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

**Other references**

- [chromereleases.googleblog.com](https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html)
- [issues.chromium.org](https://issues.chromium.org/issues/507219126)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-87522
Full detection coverage and IOCs for threats exploiting CVE-2026-87522 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp