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CVE-2026-5859: Integer overflow in Google Chrome

0
High
VulnerabilityCVE-2026-5859cvecve-2026-5859
Published: Wed Apr 08 2026 (04/08/2026, 21:20:39 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

Integer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/16/2026, 11:55:17 UTC

Technical Analysis

An integer overflow vulnerability exists in the WebML component of Google Chrome before version 147.0.7727.55. This vulnerability can be triggered remotely by an attacker who crafts a malicious HTML page, potentially leading to heap corruption. The issue is rated critical by Chromium security and has a CVSS v3.1 base score of 8.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability affects desktop versions of Chrome and is addressed in the stable update released by Google.

Potential Impact

Successful exploitation of this vulnerability could allow a remote attacker to cause heap corruption, potentially leading to arbitrary code execution or browser compromise. The CVSS score of 8.8 indicates high impact on confidentiality, integrity, and availability. No known exploits are currently reported in the wild, but the severity suggests that exploitation could have serious consequences for affected users.

Mitigation Recommendations

Google has released a stable channel update for Chrome version 147.0.7727.55 that addresses this vulnerability. Users and administrators should update to this version or later to mitigate the risk. Patch status is confirmed by the vendor advisory. No additional mitigation steps are specified or required beyond applying the official update.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-04-08T19:34:31.788Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html","vendor":"Google"}]

Threat ID: 69d6ca371cc7ad14dab3cb57

Added to database: 4/8/2026, 9:35:51 PM

Last enriched: 4/16/2026, 11:55:17 AM

Last updated: 5/23/2026, 7:07:29 AM

Views: 173

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