CVE-2026-11304

Name: CVE-2026-11304
Creator: NVD / NIST
Published: 2026-06-05T00:17:08.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2026-11304 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: Low). EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: Low)

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.19%

8.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Chrome	< 149.0.7827.53

References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.htmlRelease Notes
https://issues.chromium.org/issues/504418475Permissions Required

Timeline

Published: Jun 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-11304?

Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: Low)

How severe is CVE-2026-11304?

CVE-2026-11304 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-11304?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-11304?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST