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CVE-2026-113289: Improper input validation in Google Chrome

0
High
VulnerabilityCVE-2026-113289cvecve-2026-113289
Published: 10/20/2026 (10/20/2026, 21:02:10 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

Improper input validation in PerformanceAPIs in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Google

Chrome

Affected versions
>=156.0.8078.47 <156.0.8078.47

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 22:19:03 UTC

Technical Analysis

CVE-2026-113289 is an input validation vulnerability in the Performance APIs of Google Chrome before version 156.0.8078.47. This vulnerability allows remote attackers to potentially execute arbitrary code inside the sandbox environment by delivering a specially crafted HTML page. The issue is classified with medium severity by the Chromium security team. Google has published a stable channel update to fix this vulnerability.

Potential Impact

Successful exploitation could lead to arbitrary code execution within the sandboxed environment of Google Chrome, potentially allowing an attacker to execute malicious code remotely via a crafted HTML page. The sandbox limits the scope of impact, reducing overall risk compared to full system compromise.

Mitigation Recommendations

Google has released an official stable channel update that addresses this vulnerability. Users and administrators should update Google Chrome to version 156.0.8078.47 or later to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-10-19T23:15:57.886Z
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html","vendor":"Google"}]

Threat ID: 6ad7dfa92cdf04f656642b94

Added to database: 10/20/2026, 21:39:53 UTC

Last enriched: 10/20/2026, 22:19:03 UTC

Last updated: 10/20/2026, 23:49:12 UTC

Views: 2

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