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CVE-2026-11305 Google CVE debrief

CVE-2026-11305 is a use after free vulnerability in PDFium in Google Chrome prior to 149.0.7827.53. This vulnerability allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. The Chromium security severity is rated as Low, but the CVSS score is 8.8, indicating a HIGH severity. The CVE was published on 2026-06-05T00:17:08.477Z and modified on 2026-06-08T18:04:34.180Z.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-08
Advisory published
2026-06-05
Advisory updated
2026-06-08

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by a use after free issue in PDFium, which is a library used by Google Chrome to render PDF files. An attacker can exploit this vulnerability by crafting a malicious PDF file that, when opened in Google Chrome, can execute arbitrary code inside the browser's sandbox.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Avoid opening suspicious PDF files from untrusted sources.

Evidence notes

The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively. Additional information can be found in the Chrome release notes [ref-4] and the Chromium issue tracker [ref-5].

Official resources

CVE-2026-11305 was published on 2026-06-05T00:17:08.477Z and modified on 2026-06-08T18:04:34.180Z.