# CVE-2026-126862 — Google Chrome

> As of 2026-11-12, CVE-2026-126862 is a HIGH-severity vulnerability in Google Chrome, CVSS v3.1 7.7, EPSS 0.1% (1.4th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-126862, most recently “Google Chrome 157 Stable Update Fixes 83 Security Flaws Including 5 Critical Use-After-Free Bugs (CVE-2026-126885, CVE-2026-126895, CVE-2026-126879, CVE-2026-126846, CVE-2026-126911)”.

**Last updated:** 2026-11-12

## What is CVE-2026-126862?

Improper input validation in Core in Google Chrome on on Android prior to 157.0.8103.78 allowed a local attacker to bypass web origin policy via a co-installed app. (Chromium security severity: High)

The record classifies CVE-2026-126862 under weakness class [CWE-20](https://intel.threadlinqs.com/cwe/CWE-20). Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 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:** 7.7 — HIGH (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 1.4% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-11-11

## Is CVE-2026-126862 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

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

## How to fix CVE-2026-126862

No vendor patch reference has been recorded for CVE-2026-126862 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-2026-126862

1 tracked threat in the Threadlinqs corpus references CVE-2026-126862, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Google Chrome 157 Stable Update Fixes 83 Security Flaws Including 5 Critical Use-After-Free Bugs (CVE-2026-126885, CVE-2026-126895, CVE-2026-126879, CVE-2026-126846, CVE-2026-126911)](https://intel.threadlinqs.com/threat/TL-2026-5853) — CRITICAL · 2026-11-12

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories.

**Other references**

- [chromereleases.googleblog.com](https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html)
- [issues.chromium.org](https://issues.chromium.org/issues/574381704)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-126862
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