CVE-2026-17991: Insufficient validation of untrusted input in Google Chrome
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.
AI Analysis
Technical Summary
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.
CVE-2026-17991: Insufficient validation of untrusted input in Google 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
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
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.
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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