CVE-2026-78935

Analyzed Analyzed - Analysis Complete

Use of Uninitialized Variable in Google Chrome on iOS

Publication date: 2026-08-25

Last updated on: 2026-08-27

Assigner: Chrome

Description

Use of uninitialized variable in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-25

Last Modified

2026-08-27

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-13

NVD

CVE-2026-78935

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-457	The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

Attack-Flow Graph

Executive Summary

This vulnerability involves the use of an uninitialized variable in Google Chrome on iOS versions prior to 152.0.7977.65. An attacker could exploit this by crafting a malicious HTML page to potentially execute arbitrary code outside the sandbox.

Detection Guidance

This vulnerability is specific to Google Chrome on iOS prior to version 152.0.7977.65. Detection involves checking the installed Chrome version on iOS devices. If the version is below 152.0.7977.65, the system is vulnerable. No specific commands are provided in the context for detection.

Impact Analysis

If exploited, this vulnerability could allow a remote attacker to run arbitrary code on your device, bypassing sandbox restrictions. This could lead to unauthorized access to sensitive data or control over your system.

Compliance Impact

This vulnerability involves a use of uninitialized variable in Google Chrome on iOS, which could allow a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. Such vulnerabilities may lead to unauthorized data access or modification, potentially violating GDPR's data protection requirements or HIPAA's safeguards for protected health information.

Mitigation Strategies

Update Google Chrome on iOS to version 152.0.7977.65 or later to address the uninitialized variable issue.

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