CVE-2026-12439: Use after free in Google Chrome
Use after free in Digital Credentials in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
AI Analysis
Technical Summary
CVE-2026-12439 is a use-after-free vulnerability in the Digital Credentials feature of Google Chrome versions before 149.0.7827.155. This memory corruption issue could be triggered remotely via a specially crafted HTML page, potentially leading to heap corruption. The vulnerability has a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. The vendor has published an advisory linked to a stable channel update, implying a fix is available in version 149.0.7827.155.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service due to heap corruption. The CVSS vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fixed version is available: Google Chrome 149.0.7827.155. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked confirms the availability of this update. No additional mitigations are specified or required beyond applying the official update.
CVE-2026-12439: Use after free in Google Chrome
Description
Use after free in Digital Credentials in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
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-2026-12439 is a use-after-free vulnerability in the Digital Credentials feature of Google Chrome versions before 149.0.7827.155. This memory corruption issue could be triggered remotely via a specially crafted HTML page, potentially leading to heap corruption. The vulnerability has a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. The vendor has published an advisory linked to a stable channel update, implying a fix is available in version 149.0.7827.155.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service due to heap corruption. The CVSS vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fixed version is available: Google Chrome 149.0.7827.155. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked confirms the availability of this update. No additional mitigations are specified or required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-16T19:38:23.945Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html","vendor":"Google"}]
Threat ID: 6a31ffc30b89be68889b0132
Added to database: 06/17/2026, 02:00:35 UTC
Last enriched: 06/24/2026, 15:54:32 UTC
Last updated: 08/01/2026, 07:17:58 UTC
Views: 114
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.