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CVE-2026-11303 Google CVE debrief

CVE-2026-11303 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 CVSS score for this vulnerability is 8.8, indicating a high severity. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

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 a use-after-free issue in PDFium, a library used by Google Chrome to render PDF files. This type of vulnerability occurs when a program tries to use memory after it has been freed, which can lead to arbitrary code execution.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

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

Official resources

CVE-2026-11303 was published on 2026-06-05T00:17:08.220Z and modified on 2026-06-08T18:01:43.640Z.