# CVE-2019-13674 — Google Chrome

> As of 2024-08-04, CVE-2019-13674 is a MEDIUM-severity vulnerability in Google Chrome, CVSS v3.1 4.3, EPSS 0.6% (50.5th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2019-13674, most recently “New IDN Domain Spoofing Techniques (Breaker Characters and Diacritic Handling) Bypass Chromium Lookalike Phishing Protections”.

**Last updated:** 2024-08-04

## What is CVE-2019-13674?

IDN spoofing in Omnibox in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

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. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2513 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **EPSS (FIRST):** 0.6% probability of exploitation in the next 30 days, higher than 50.5% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2019-11-25, last modified 2024-08-04

## Is CVE-2019-13674 being exploited?

It currently carries a trending score of 18 in the Threadlinqs vulnerability feed.

## Affected products and versions

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

## How to fix CVE-2019-13674

No vendor patch reference has been recorded for CVE-2019-13674 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-2019-13674

1 tracked threat in the Threadlinqs corpus references CVE-2019-13674, either in the campaign’s CVE list or as an indicator on the campaign record.

- [New IDN Domain Spoofing Techniques (Breaker Characters and Diacritic Handling) Bypass Chromium Lookalike Phishing Protections](https://intel.threadlinqs.com/threat/TL-2026-3353) — MEDIUM · 2026-10-12

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-12. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [chromereleases.googleblog.com](https://chromereleases.googleblog.com/2019/09/stable-channel-update-for-desktop.html)
- [crbug.com](https://crbug.com/896533)

Canonical: https://intel.threadlinqs.com/cve/CVE-2019-13674
Full detection coverage and IOCs for threats exploiting CVE-2019-13674 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp