Vulnerability · Published Nov 3, 2026 · Assigned by Chrome

CVE-2026-121050

High 8.8

In plain English

A high-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 82.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Race condition in Mobile in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromiumno fix listedDEBIAN-CVE-2026-121050
Debian:13chromiumno fix listedDEBIAN-CVE-2026-121050
Debian:14chromiumno fix listedDEBIAN-CVE-2026-121050

Affected products (as reported)

VendorProductVersions
Google Chrome 157.0.8103.38 – before 157.0.8103.38

Weakness: CWE-367 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References