CVE-2026-11304: Use after free in Google Chrome
A use-after-free vulnerability exists in the PDFium component of Google Chrome prior to version 149.0.7827.53. This flaw could allow a remote attacker to cause heap corruption by crafting a malicious PDF file. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. Google has published a stable channel update addressing this issue.
AI Analysis
Technical Summary
CVE-2026-11304 is a use-after-free vulnerability in the PDFium library used by Google Chrome versions before 149.0.7827.53. This vulnerability allows remote attackers to potentially exploit heap corruption by delivering a specially crafted PDF file. The issue is classified under CWE-416 (Use After Free) and has a high CVSS v3.1 score of 8.8, indicating critical confidentiality, integrity, and availability impacts. The vulnerability requires no privileges and low attack complexity but does require user interaction. Google has released a stable channel update to fix this issue as referenced in their advisory.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution or other severe impacts such as full compromise of the affected system due to heap corruption. The CVSS vector indicates high impact on confidentiality, integrity, and availability. However, exploitation requires user interaction (opening a crafted PDF). No known active exploits have been reported.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for detailed update instructions.
CVE-2026-11304: Use after free in Google Chrome
Description
A use-after-free vulnerability exists in the PDFium component of Google Chrome prior to version 149.0.7827.53. This flaw could allow a remote attacker to cause heap corruption by crafting a malicious PDF file. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. Google has published a stable channel update addressing this issue.
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.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11304 is a use-after-free vulnerability in the PDFium library used by Google Chrome versions before 149.0.7827.53. This vulnerability allows remote attackers to potentially exploit heap corruption by delivering a specially crafted PDF file. The issue is classified under CWE-416 (Use After Free) and has a high CVSS v3.1 score of 8.8, indicating critical confidentiality, integrity, and availability impacts. The vulnerability requires no privileges and low attack complexity but does require user interaction. Google has released a stable channel update to fix this issue as referenced in their advisory.
Potential Impact
Successful exploitation of this vulnerability could lead to remote code execution or other severe impacts such as full compromise of the affected system due to heap corruption. The CVSS vector indicates high impact on confidentiality, integrity, and availability. However, exploitation requires user interaction (opening a crafted PDF). No known active exploits have been reported.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:11:21.190Z
- 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: 6a220ef2e29bf47b50de3b87
Added to database: 06/04/2026, 23:49:06 UTC
Last enriched: 06/12/2026, 10:42:16 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 74
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.