Description
Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Published: 2026-07-08
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

The vulnerability is an uninitialized use in the V8 JavaScript engine in Google Chrome, allowing a remote attacker to execute arbitrary code inside a sandboxed process through a crafted HTML page. The issue is identified as CWE-457, indicating that a variable was used before it was properly initialized. This flaw permits the attacker to compromise sandbox boundaries, potentially gaining the same privileges as the browser process and enabling further escalation.

Affected Systems

Google Chrome browsers are affected, specifically all versions prior to 150.0.7871.115 as noted by the vendor. No additional affected product versions are listed in the available data.

Risk and Exploitability

Chromium reports the severity as High, with a CVSS score of 8.8. The EPSS score is < 1%, indicating a low probability of exploitation, and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is through a malicious web page that the user visits, based on the description. Successful exploitation requires the user to load the crafted page, after which the attacker can run code within the sandbox with the same privileges as the browser process. Given the high severity assessment, the potential impact is significant, although the low EPSS value suggests that exploitation may not be widespread.

Generated by OpenCVE AI on July 28, 2026 at 09:04 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade Chrome to version 150.0.7871.115 or later
  • Enable automatic updates to receive future patches promptly
  • Limit JavaScript execution with a web‑filtering proxy to block known malicious HTML

Generated by OpenCVE AI on July 28, 2026 at 09:04 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4677-1 chromium security update
Debian DSA Debian DSA DSA-6387-1 chromium security update
History

Tue, 28 Jul 2026 09:30:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in Chrome V8 allows Sandbox Escape via Crafted HTML

Wed, 22 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in Chrome V8 allows Sandbox Escape via Crafted HTML

Thu, 16 Jul 2026 10:45:00 +0000

Type Values Removed Values Added
Title Uninitialized Variable Use in Chrome’s V8 Engine Enables Remote Code Execution via Crafted HTML

Tue, 14 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Uninitialized Variable Use in Chrome’s V8 Engine Enables Remote Code Execution via Crafted HTML

Mon, 13 Jul 2026 08:15:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in V8 Engine Enables Remote Code Execution via Crafted HTML

Sun, 12 Jul 2026 08:00:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in V8 Engine Enables Remote Code Execution via Crafted HTML

Sat, 11 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in V8 Engine Allows Remote Code Execution via Crafted HTML

Fri, 10 Jul 2026 14:45:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in V8 Engine Allows Remote Code Execution via Crafted HTML

Fri, 10 Jul 2026 05:30:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in V8 Allows Remote Code Execution in Chrome

Thu, 09 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 09 Jul 2026 04:00:00 +0000

Type Values Removed Values Added
Title Uninitialized Use in V8 Allows Remote Code Execution in Chrome

Thu, 09 Jul 2026 01:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 08 Jul 2026 23:00:00 +0000

Type Values Removed Values Added
Description Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-457
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-10T03:55:27.796Z

Reserved: 2026-07-08T17:07:45.050Z

Link: CVE-2026-15132

cve-icon Vulnrichment

Updated: 2026-07-09T10:35:40.102Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-28T09:15:06Z

Weaknesses
  • CWE-457

    Use of Uninitialized Variable