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CVE-2026-17991: Insufficient validation of untrusted input in Google Chrome

0
Low
VulnerabilityCVE-2026-17991cvecve-2026-17991
Published: 07/30/2026 (07/30/2026, 00:25:58 UTC)
Source: CVE Database V5
Vendor/Project: Google
Product: Chrome

Description

CVE-2026-17991 is a vulnerability in Google Chrome prior to version 151.0.7922.72 involving insufficient validation of untrusted input in the AI component. This flaw could allow a remote attacker who has already compromised the renderer process to potentially escape the sandbox by using a crafted HTML page. The vulnerability is rated as low severity by Chromium security. There is no explicit patch status provided in the input data, but a vendor advisory link is available for further details.

Affected software

GitHub Actionsmore threats →ai
chromium/chromium
pkg:github/chromium/chromium
Affected versions
<151.0.7922.72

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/30/2026, 01:24:26 UTC

Technical Analysis

This vulnerability involves insufficient validation of untrusted input within the AI functionality of Google Chrome versions before 151.0.7922.72. An attacker who has compromised the renderer process could exploit this flaw to perform a sandbox escape via a specially crafted HTML page. The sandbox escape could potentially allow the attacker to execute code outside the restricted environment of the renderer process. The Chromium security team has assigned a low severity rating to this issue. No CVSS score or explicit remediation level is provided in the input data. A vendor advisory URL is available but does not explicitly confirm patch availability in the provided data.

Potential Impact

The impact is limited to a potential sandbox escape by an attacker who has already compromised the renderer process. This could lead to execution of code outside the sandbox, increasing the attacker's control over the affected system. However, the severity is rated low, indicating limited risk or difficulty in exploitation.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Until confirmed, users should update to the latest Chrome version once the fix is officially released. No other specific mitigations are provided in the input data.

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Technical Details

Data Version
5.2
Assigner Short Name
Chrome
Date Reserved
2026-07-27T23:37:14.393Z
Cvss Version
null
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]

Threat ID: 6a6aa0b09c2644c7f849c05c

Added to database: 07/30/2026, 00:54:08 UTC

Last enriched: 07/30/2026, 01:24:26 UTC

Last updated: 07/30/2026, 02:01:26 UTC

Views: 3

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