CVE-2026-12012: Use after free in Google Chrome
Use after free in Network in Google Chrome prior to 149.0.7827.115 allowed an attacker in a privileged network position to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-12012 is a use-after-free vulnerability in the Network module of Google Chrome before version 149.0.7827.115. It allows an attacker with privileged network access to potentially cause heap corruption by crafting malicious network traffic. This vulnerability is recognized as high severity by the Chromium project. The affected versions include all Chrome versions before 149.0.7827.115. The vendor advisory is available but does not explicitly state whether a fix has been released.
Potential Impact
An attacker positioned on the network path could exploit this vulnerability to cause heap corruption, which may lead to arbitrary code execution or browser instability. The impact is significant given the high severity rating, but no confirmed exploits in the wild have been reported to date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html for current remediation guidance. Users and administrators should monitor official Google Chrome release notes and update to version 149.0.7827.115 or later once confirmed.
CVE-2026-12012: Use after free in Google Chrome
Description
Use after free in Network in Google Chrome prior to 149.0.7827.115 allowed an attacker in a privileged network position to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: High)
CVSS v3.1
Score 8.1high
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
CVE-2026-12012 is a use-after-free vulnerability in the Network module of Google Chrome before version 149.0.7827.115. It allows an attacker with privileged network access to potentially cause heap corruption by crafting malicious network traffic. This vulnerability is recognized as high severity by the Chromium project. The affected versions include all Chrome versions before 149.0.7827.115. The vendor advisory is available but does not explicitly state whether a fix has been released.
Potential Impact
An attacker positioned on the network path could exploit this vulnerability to cause heap corruption, which may lead to arbitrary code execution or browser instability. The impact is significant given the high severity rating, but no confirmed exploits in the wild have been reported to date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html for current remediation guidance. Users and administrators should monitor official Google Chrome release notes and update to version 149.0.7827.115 or later once confirmed.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-11T18:16:03.658Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html","vendor":"Google"}]
Threat ID: 6a2b290f815e7002b83416f2
Added to database: 6/11/2026, 9:30:55 PM
Last enriched: 6/11/2026, 10:00:10 PM
Last updated: 6/12/2026, 5:02:15 AM
Views: 6
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