PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11304 Google CVE debrief

CVE-2026-11304 is a use-after-free vulnerability in PDFium in Google Chrome prior to 149.0.7827.53. This vulnerability could allow a remote attacker to potentially exploit heap corruption via a crafted PDF file. The Chromium security severity is rated as Low.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

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, a library used by Google Chrome to render PDF files. An attacker could exploit this vulnerability by providing a crafted PDF file that triggers the use-after-free condition, potentially leading to heap corruption.

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 pages provide additional information about this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11304 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11304

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11304 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11304

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.