CVE-2026-11158: Insufficient validation of untrusted input in Google Chrome
CVE-2026-11158 is a vulnerability in Google Chrome on Mac prior to version 149. 0. 7827. 53 involving insufficient validation of untrusted input in the Downloads component. This flaw could allow a local attacker to potentially escape the browser sandbox by leveraging a crafted AppleScript command. The vulnerability is classified with medium severity by Chromium security. There is no CVSS score provided, and no explicit remediation level is stated in the available data. The vendor advisory linked references a stable channel update but does not explicitly confirm patch status for this specific issue.
AI Analysis
Technical Summary
This vulnerability arises from insufficient validation of untrusted input in the Downloads feature of Google Chrome on macOS versions before 149.0.7827.53. Exploiting this flaw, a local attacker could craft an AppleScript command to escape the sandbox environment, potentially increasing their privileges or access beyond the browser's intended restrictions. The issue is recognized by Chromium security as medium severity. No CVSS score or detailed remediation information is provided in the source data. The vendor advisory URL points to a stable channel update announcement but does not explicitly confirm a fix for this vulnerability.
Potential Impact
If successfully exploited, this vulnerability could allow a local attacker to bypass Chrome's sandbox protections on macOS, potentially leading to unauthorized access or execution of code outside the browser sandbox. However, there are no known exploits in the wild at this time, and the impact is limited to local attackers with the ability to execute crafted AppleScript commands.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Users should update Google Chrome on macOS to version 149.0.7827.53 or later once confirmed. Until official confirmation, no additional mitigation steps are specified.
CVE-2026-11158: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-11158 is a vulnerability in Google Chrome on Mac prior to version 149. 0. 7827. 53 involving insufficient validation of untrusted input in the Downloads component. This flaw could allow a local attacker to potentially escape the browser sandbox by leveraging a crafted AppleScript command. The vulnerability is classified with medium severity by Chromium security. There is no CVSS score provided, and no explicit remediation level is stated in the available data. The vendor advisory linked references a stable channel update but does not explicitly confirm patch status for this specific issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from insufficient validation of untrusted input in the Downloads feature of Google Chrome on macOS versions before 149.0.7827.53. Exploiting this flaw, a local attacker could craft an AppleScript command to escape the sandbox environment, potentially increasing their privileges or access beyond the browser's intended restrictions. The issue is recognized by Chromium security as medium severity. No CVSS score or detailed remediation information is provided in the source data. The vendor advisory URL points to a stable channel update announcement but does not explicitly confirm a fix for this vulnerability.
Potential Impact
If successfully exploited, this vulnerability could allow a local attacker to bypass Chrome's sandbox protections on macOS, potentially leading to unauthorized access or execution of code outside the browser sandbox. However, there are no known exploits in the wild at this time, and the impact is limited to local attackers with the ability to execute crafted AppleScript commands.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for current remediation guidance. Users should update Google Chrome on macOS to version 149.0.7827.53 or later once confirmed. Until official confirmation, no additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:10:33.266Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a220854e29bf47b50dbcb5f
Added to database: 6/4/2026, 11:20:52 PM
Last enriched: 6/5/2026, 1:03:58 AM
Last updated: 6/5/2026, 5:07:51 AM
Views: 2
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