CVE-2026-11305: 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 allows a remote attacker to execute arbitrary code within the sandbox by using a specially crafted PDF file. The vulnerability has a high severity rating with a CVSS score of 8.8. The issue affects desktop versions of Chrome before 149.0.7827.53. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-11305 is a use-after-free vulnerability in the PDFium library used by Google Chrome. It affects versions prior to 149.0.7827.53 and enables remote code execution inside the sandbox when a user opens a maliciously crafted PDF file. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. The flaw requires no privileges and low attack complexity but does require user interaction (opening the PDF).
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code within the Chrome sandbox, potentially compromising the confidentiality, integrity, and availability of the affected system. This could lead to full control over the browser environment, though sandbox restrictions may limit broader system impact.
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. The vendor advisory linked provides official confirmation of the patch. No additional mitigations are indicated.
CVE-2026-11305: 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 allows a remote attacker to execute arbitrary code within the sandbox by using a specially crafted PDF file. The vulnerability has a high severity rating with a CVSS score of 8.8. The issue affects desktop versions of Chrome before 149.0.7827.53. No known exploits are reported in the wild at this time.
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-2026-11305 is a use-after-free vulnerability in the PDFium library used by Google Chrome. It affects versions prior to 149.0.7827.53 and enables remote code execution inside the sandbox when a user opens a maliciously crafted PDF file. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. The flaw requires no privileges and low attack complexity but does require user interaction (opening the PDF).
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code within the Chrome sandbox, potentially compromising the confidentiality, integrity, and availability of the affected system. This could lead to full control over the browser environment, though sandbox restrictions may limit broader system impact.
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. The vendor advisory linked provides official confirmation of the patch. No additional mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:11:21.467Z
- 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: 6a220ef2e29bf47b50de3b8b
Added to database: 06/04/2026, 23:49:06 UTC
Last enriched: 06/12/2026, 10:16:59 UTC
Last updated: 07/15/2026, 19:47:29 UTC
Views: 86
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