Threat Intelligence / CVE / CVE-2026-87464

CVE-2026-87464 — Google Chrome

CVSS v3.1 9.6 (CRITICAL) · EPSS 0.5% (higher than 45.6% of all scored CVEs) · Priority 8.6/10 · Published 2026-09-09

As of 2026-09-10, CVE-2026-87464 is a CRITICAL-severity vulnerability in Google Chrome, CVSS v3.1 9.6, EPSS 0.5% (45.6th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-87464, 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-2026-87464?

Use after free in WebGL in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

The record classifies CVE-2026-87464 under weakness class CWE-416. 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 confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 24 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 9.6 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (FIRST): 0.5% probability of exploitation in the next 30 days, higher than 45.6% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 8.6/10 — 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-2026-87464 being exploited?

Weaponised exploit code for CVE-2026-87464 is publicly available. 1 public proof-of-concept repository is tracked for this identifier.

trickest/cve (trickest)

Affected products and versions

Google: Chrome

How to fix CVE-2026-87464

Vendor advisory: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-87464

1 tracked threat in the Threadlinqs corpus references CVE-2026-87464, 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) — CRITICAL · 2026-10-02

Sources

Enriched from CVE.org, NVD, FIRST EPSS, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-02. This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Full detection coverage & IOCs for threats exploiting CVE-2026-87464 are available via the Threadlinqs MCP server (Purple tier). View plans →

← all vulnerabilities · Markdown version · Threadlinqs Intelligence