# CVE-2026-102306 — Google Chrome

> As of 2026-09-30, CVE-2026-102306 is a CRITICAL-severity vulnerability in Google Chrome, CVSS v3.1 9.6. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-102306, most recently “Google Chrome 154 Update Fixes 32 Security Flaws Including Critical ANGLE Buffer Overflow (CVE-2026-102331)”.

**Last updated:** 2026-09-30

## What is CVE-2026-102306?

Use after free in Bluetooth in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

The record classifies CVE-2026-102306 under weakness class [CWE-416](https://cwe.mitre.org/data/definitions/416.html). 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 2 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`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-29, last modified 2026-09-30

## Is CVE-2026-102306 being exploited?

No public exploitation evidence for CVE-2026-102306 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-09-30. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

## Affected products and versions

- **Google**: Chrome

## How to fix CVE-2026-102306

No vendor patch reference has been recorded for CVE-2026-102306 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-2026-102306

1 tracked threat in the Threadlinqs corpus references CVE-2026-102306, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Google Chrome 154 Update Fixes 32 Security Flaws Including Critical ANGLE Buffer Overflow (CVE-2026-102331)](https://intel.threadlinqs.com/threat/TL-2026-2803) — CRITICAL · 2026-09-30

## Sources

Enriched from CVE.org, NVD, GitHub Security Advisories. Last verified by Threadlinqs on 2026-09-30. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [chromereleases.googleblog.com](https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html)
- [issues.chromium.org](https://issues.chromium.org/issues/556926296)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-102306
Full detection coverage and IOCs for threats exploiting CVE-2026-102306 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp