CVE-2026-15769: Insufficient validation of untrusted input in Google Chrome
CVE-2026-15769 is a high-severity vulnerability in Google Chrome on Linux involving insufficient validation of untrusted input in the Linux Toolkit Theming component. This flaw allows a remote attacker who has already compromised the renderer process to potentially escape the sandbox via a crafted HTML page. The issue affects Chrome versions prior to 150.0.7871.125. No explicit patch or remediation level is stated in the available data, and no known exploits are reported in the wild.
AI Analysis
Technical Summary
This vulnerability arises from insufficient validation of untrusted input within the Linux Toolkit Theming feature of Google Chrome on Linux. An attacker with control over the renderer process could exploit this flaw to perform a sandbox escape, potentially increasing their privileges or access beyond the intended isolation. The vulnerability affects versions of Chrome before 150.0.7871.125. Although a vendor advisory URL is provided, it does not explicitly confirm patch availability or remediation status. No CVSS score is assigned.
Potential Impact
Successful exploitation could allow an attacker who has compromised the renderer process to escape the sandbox environment, undermining Chrome's security model and potentially leading to further system compromise. The impact is considered high severity based on the ability to bypass sandbox protections.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.html for current remediation guidance. Until official fixes are confirmed, users should exercise caution with untrusted content and consider updating to the latest Chrome version once updates are released.
CVE-2026-15769: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-15769 is a high-severity vulnerability in Google Chrome on Linux involving insufficient validation of untrusted input in the Linux Toolkit Theming component. This flaw allows a remote attacker who has already compromised the renderer process to potentially escape the sandbox via a crafted HTML page. The issue affects Chrome versions prior to 150.0.7871.125. No explicit patch or remediation level is stated in the available data, and no known exploits are reported in the wild.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from insufficient validation of untrusted input within the Linux Toolkit Theming feature of Google Chrome on Linux. An attacker with control over the renderer process could exploit this flaw to perform a sandbox escape, potentially increasing their privileges or access beyond the intended isolation. The vulnerability affects versions of Chrome before 150.0.7871.125. Although a vendor advisory URL is provided, it does not explicitly confirm patch availability or remediation status. No CVSS score is assigned.
Potential Impact
Successful exploitation could allow an attacker who has compromised the renderer process to escape the sandbox environment, undermining Chrome's security model and potentially leading to further system compromise. The impact is considered high severity based on the ability to bypass sandbox protections.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.html for current remediation guidance. Until official fixes are confirmed, users should exercise caution with untrusted content and consider updating to the latest Chrome version once updates are released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-14T18:31:15.640Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.html","vendor":"Google"}]
Threat ID: 6a569d1968715ace432808c7
Added to database: 07/14/2026, 20:33:29 UTC
Last enriched: 07/14/2026, 21:50:18 UTC
Last updated: 07/14/2026, 23:27:24 UTC
Views: 4
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