CVE-2026-121115

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Improper Input Validation in Google Chrome

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Improper input validation in Shopping in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions into a privileged page via crafted network traffic. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-11-03

Last Modified

2026-11-03

Generated

2026-11-04

AI Q&A

2026-11-04

EPSS Evaluated

N/A

NVD

CVE-2026-121115

EUVD

EUVD-2026-116456

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper input validation in Google Chrome's Shopping feature. A remote attacker could exploit it by sending crafted network traffic to bypass system access restrictions and access privileged pages.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive pages in Chrome, potentially leading to data theft or further compromise of the user's system.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the improper input validation issue.

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