# CVE-2026-87486 — Google Chrome

> As of 2026-09-09, CVE-2026-87486 is a MEDIUM-severity vulnerability in Google Chrome, CVSS v3.1 4, EPSS 0.1% (1.2th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-87486, most recently “Multiple Vulnerabilities in Microsoft Edge prior to 154.0.4258.53 (HK GovCERT A26-10-03)”.

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

## What is CVE-2026-87486?

Clickjacking in TrustedWebActivities in Google Chrome on on Android prior to 153.0.8010.36 allowed a local attacker to spoof address bar via a co-installed app. (Chromium security severity: Medium)

The record classifies CVE-2026-87486 under weakness class [CWE-1021](https://intel.threadlinqs.com/cwe/CWE-1021). Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 31 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4 — MEDIUM (`CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 1.2% 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

## Is CVE-2026-87486 being exploited?

Weaponised exploit code for CVE-2026-87486 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 36 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2026/CVE-2026-87486.md) (trickest)

## Affected products and versions

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

## How to fix CVE-2026-87486

No vendor patch reference has been recorded for CVE-2026-87486 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-2026-87486

1 tracked threat in the Threadlinqs corpus references CVE-2026-87486, 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, public proof-of-concept repositories. 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/514017067)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-87486
Full detection coverage and IOCs for threats exploiting CVE-2026-87486 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp