CVE-2026-11305

Description

Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox 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-2026-11305.json
Linked Threat: CVE-2026-11305 — CVE-2026-11305

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 18:04:34 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: 0.0013 (probability of exploitation in next 30 days)
EPSS percentile: 31.71% 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-2026-34766
Assigner: Chrome
Published: Jun 4, 2026, 11:06:26 PM
Updated: Jun 6, 2026, 3:56:00 AM
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: 0.1300
Vendors: Google
Products: Chrome (149.0.7827.53 <149.0.7827.53)
Aliases: GHSA-j4c6-r2j9-qvmh

ENISA description: Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox 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-2026-11305 msrc
None Available msrc
https://issues.chromium.org/issues/504545544 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-2026-11305 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-11305 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/504545544 chrome-cve-admin@google.com Permissions Required

Remediations (17)

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

CVE-2026-11305 - PDFium Use-After-Free Vulnerability in Google Chrome

web:cvefeed.io

The following products are affected by CVE-2026-11305 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

2026-06-08 16:03 UTC
Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...

web:cybersecuritynews.com

Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

2026-06-08 16:03 UTC
CVE-2026-11305 | HIGH (8.8) | CVE Lookup | Inventive HQ

web:inventivehq.com

Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF…

2026-06-08 16:03 UTC
CVE-2026-11305 | Mondoo Vulnerability Intelligence

web:mondoo.com

CVE-2026-11305 - HIGH severity: Use after free in PDFium in Google Chrome prior to 149

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-2026-11305 - 8.8/10

web:securitricks.com

CVE CVE-2026-11305 - 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 execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low) - Tags : chrome- cve -admin@google.com, CWE-416, 2026 -06-05, CVE-2026-11305

2026-06-08 16:03 UTC
CVE-2026-11305 - securityvulnerability.io

web:securityvulnerability.io

What is CVE-2026-11305 ? Use after free in PDFium in Google Chrome prior to 149..7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file.

2026-06-08 16:03 UTC
CVE-2026-11305 - vulnerability database | Vulners.com

web:vulners.com

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

2026-06-08 16:03 UTC
Critical Patches Issued for Microsoft Products, May 12, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-06-08 16:03 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 .

2026-06-08 16:03 UTC
Security Advisories and Bulletins | Microsoft Learn

web:learn.microsoft.com

In this library you will find the following security documents that have been released by the Microsoft Security Response Center (MSRC). The MSRC investigates all reports of security vulnerabilities affecting Microsoft products and services, and releases these documents as part of the ongoing effort to help you manage security risks and help keep your systems protected. Please use the ...

2026-06-19 02:36 UTC
Nvd - Cve-2026-12305

web:nvd.nist.gov

An official website of the United States government Here's how you know

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
Patch Tuesday: May 2026 Latest Patch Updates & Breakdown

web:www.manageengine.com

Unfold what this Patch Tuesday has in store for you Patch Tuesday, the unofficial term for Microsoft's scheduled security fix release on every second Tuesday of a month, has been a constant topic of discussion ever since its inception. Upcoming Webinar June 11,2026 11:30 EDT & 6:30 a.m. GMT Agenda of the Free Patch Tuesday webinar A complete breakdown of all the latest Patch Tuesday updates ...

2026-06-19 02:36 UTC
National Vulnerability Database | NIST

web:www.nist.gov

NIST maintains the National Vulnerability Database (NVD), a repository of information on software and hardware flaws that can compromise computer security. This is a key piece of the nation's cybersecurity infrastructure.

2026-06-19 02:36 UTC
Patch Tuesday - June 2026 - Rapid7

web:www.rapid7.com

Microsoft is publishing 200 vulnerabilities on June 2026 Patch Tuesday, including an HTTP/2 denial of service vulnerability and an elevation of privilege vulnerability in PowerToys.

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

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-11305.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 execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "Use after free",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-04T23:06:26.667Z",
        "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/504545544"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-11305",
    "datePublished": "2026-06-04T23:06:26.667Z",
    "dateReserved": "2026-06-04T17:11:21.467Z",
    "dateUpdated": "2026-06-04T23:06:26.667Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}