CVE-2026-12020: Use after free in Google Chrome
Use after free in Autofill in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-12020 is a use-after-free vulnerability in the Autofill feature of Google Chrome on Mac platforms. The issue affects versions prior to 149.0.7827.115 and could be triggered remotely via a crafted HTML page, potentially leading to heap corruption. The Chromium project rates this vulnerability as high severity. The vendor advisory URL is provided but does not explicitly confirm patch availability or remediation level in the input data.
Potential Impact
Successful exploitation could result in heap corruption, which may lead to arbitrary code execution or browser instability. The vulnerability is remote exploitable via web content, increasing the risk to users who visit malicious or compromised websites.
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 this advisory for updates and apply any official fixes once available.
CVE-2026-12020: Use after free in Google Chrome
Description
Use after free in Autofill in Google Chrome on Mac prior to 149.0.7827.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.8high
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-2026-12020 is a use-after-free vulnerability in the Autofill feature of Google Chrome on Mac platforms. The issue affects versions prior to 149.0.7827.115 and could be triggered remotely via a crafted HTML page, potentially leading to heap corruption. The Chromium project rates this vulnerability as high severity. The vendor advisory URL is provided but does not explicitly confirm patch availability or remediation level in the input data.
Potential Impact
Successful exploitation could result in heap corruption, which may lead to arbitrary code execution or browser instability. The vulnerability is remote exploitable via web content, increasing the risk to users who visit malicious or compromised websites.
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 this advisory for updates and apply any official fixes once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-11T18:16:05.760Z
- 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: 6a2b2912815e7002b834177f
Added to database: 6/11/2026, 9:30:58 PM
Last enriched: 6/11/2026, 9:46:23 PM
Last updated: 6/12/2026, 3:56:28 AM
Views: 4
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