CVE-2026-11304

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)

Overview

State: PUBLISHED
Assigner (CNA): Chrome
CVSS severity: high
CVSS score: 8.8 / 10
CVSS vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Effective score: 8.8 / 10 HIGH source: CNA overview
CWE(s): CWE-416
Reserved: 2026-06-04
Published: 2026-06-04 23:06 UTC
Last updated: 2026-06-04 23:06 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/11xxx/CVE-2026-11304.json
Linked Threat: CVE-2026-11304 — CVE-2026-11304

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-06-05 00:17:08 UTC
NVD last modified: 2026-06-08 18:02:36 UTC
NVD CVSS v3.1: 8.8 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 2.8 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0011 (probability of exploitation in next 30 days)
EPSS percentile: 28.64% vs all CVEs — higher = more likely to be exploited, as of 2026-06-09

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-34765
Assigner: Chrome
Published: Jun 4, 2026, 11:06:26 PM
Updated: Jun 5, 2026, 3:19:29 PM
EUVD base score (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
EUVD-reported EPSS: 0.1100
Vendors: Google
Products: Chrome (149.0.7827.53 <149.0.7827.53)
Aliases: GHSA-w5f4-m5jq-x4xp

ENISA 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)

EUVD references (2)

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-07-23 03:00 UTC (source: CVRF).

Release: 2026-Jun

Microsoft remediations / KB articles (2)

Release Notes — Vendor Fix / Security Update (fixed build 149.0.4022.52)
https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security — None Available / Release Notes

Microsoft FAQ (2)

What is the version information for this release?

Microsoft Edge Version	Date Released	Based on Chromium Version
149.0.4022.52	06/05/2026	149.0.7827.54

Why is this Chrome CVE included in the Security Update Guide?

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

How can I see the version of the browser?

In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft Edge

Affected products (1)

Vendor	Product	Versions	Platforms
Google	Chrome	`149.0.7827.53` (affected)	—

Affected products — CPE 2.3 (4) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Vendor references (2)

References embedded in the original CVE record by the assigning CNA.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

MSRC update guide: CVE-2026-11304 msrc
None Available msrc
https://issues.chromium.org/issues/504418475 tenable:issues.chromium.org
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html tenable:chromereleases.googleblog.com
https://nvd.nist.gov/vuln/detail/CVE-2026-11304 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-11304 tenable:www.cve.org
https://www.first.org/epss/ tenable:www.first.org

NVD-tagged references (2)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html chrome-cve-admin@google.com Release Notes
https://issues.chromium.org/issues/504418475 chrome-cve-admin@google.com Permissions Required

Remediations (19)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CVE-2026-11304 - Vulnerability Details - OpenCVE

web:app.opencve.io

Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: Low)

2026-06-08 16:03 UTC
CVE-2026-11304 | AttackerKB

web:attackerkb.com

Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chro…

2026-06-08 16:03 UTC
CVE-2026-11304 - Unknown Severity Vulnerability | CVEInfo.com

web:cveinfo.com

Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (...

2026-06-08 16:03 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-06-08 16:03 UTC
SecuriTricks - CVE-2026-11304 - 8.8/10

web:securitricks.com

CVE CVE-2026-11304 - Score : 8.8 - Source : chrome- cve -admin@google.com - Description : Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

2026-06-08 16:03 UTC
CVE-2026-11304 - securityvulnerability.io

web:securityvulnerability.io

What is CVE-2026-11304 ? Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

2026-06-08 16:03 UTC
CVE-2026-11304 - vulnerability database | Vulners.com

web:vulners.com

Vulners Cve CVE-2026-11304 CVE-2026-11304 🗓️ 04 Jun 2026 23:06:26 Reported by Chrome Type cve 🔗 www. cve .org

2026-06-08 16:03 UTC
CVE-2026-11304 - Use after free in PDFium in Go

web:www.nmmapper.com

cve details for CVE-2026-11304 - Use after free in PDFium in Go viewing details and related vulnerabilities.

2026-06-08 16:03 UTC
CVE-2026-11304 | Tenable®

web:www.tenable.com

Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: Low)

2026-06-08 16:03 UTC
CVE-2026-11304 - Info Vulnerability - TheHackerWire

web:www.thehackerwire.com

How do I fix or mitigate CVE-2026-11304 ? To protect against CVE-2026-11304 , you should: (1) Apply the latest security patches from the vendor, (2) Check official security advisories for specific remediation steps, (3) Update affected software to the latest version, and (4) Monitor your systems for any signs of exploitation.

2026-06-08 16:03 UTC
Microsoft and Adobe Patch Tuesday, April 2026 Security Update Review

web:blog.qualys.com

With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.

2026-06-19 02:36 UTC
CVE-2026-11304 | High Severity | Armis

web:cve.armis.com

CVE-2026-11304 (High, CVSS 8.8). Published 2026 . A use-after-free in Chrome's PDFium library allows a remote attacker to achieve heap corruption with potential…

2026-06-19 02:36 UTC
CVE-2026-11304 | Security Details | Sonatype Guide

web:guide.sonatype.com

Technical security analysis for CVE-2026-11304 . CVSS 5.1 severity. View CVSS vectors, CWE classifications, and exploit maturity ratings.

2026-06-19 02:36 UTC
Patch Tuesday, April 2026 Edition - Krebs on Security

web:krebsonsecurity.com

For a clickable, per- patch breakdown, check out the SANS Internet Storm Center Patch Tuesday roundup. Running into problems applying any of these updates?

2026-06-19 02:36 UTC
April 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

2026-06-19 02:36 UTC
May 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft has released security updates for 130 vulnerabilities, including 30 critical, in its May 2026 Patch Tuesday rollout.

2026-06-19 02:36 UTC
Microsoft Technical Security Notifications

web:www.microsoft.com

Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.

2026-06-19 02:36 UTC
Rapid7 Vulnerability Database

web:www.rapid7.com

Rapid7's VulnDB is curated repository of vetted computer software exploits and exploitable vulnerabilities.

2026-06-19 02:36 UTC
Patch Tuesday June 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-06-19 02:36 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-11304.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "149.0.7827.53",
              "status": "affected",
              "version": "149.0.7827.53",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "Use after free",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-04T23:06:26.270Z",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html"
        },
        {
          "url": "https://issues.chromium.org/issues/504418475"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-11304",
    "datePublished": "2026-06-04T23:06:26.270Z",
    "dateReserved": "2026-06-04T17:11:21.190Z",
    "dateUpdated": "2026-06-04T23:06:26.270Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}