CVE-2026-11030

Description

Use after free in Network in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: Medium)

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 23:04 UTC
Last updated: 2026-06-04 23:04 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/11xxx/CVE-2026-11030.json
Linked Threat: CVE-2026-11030 — CVE-2026-11030

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: 2026-06-04 23:17:07 UTC
NVD last modified: 2026-07-23 06:10:00 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: 0.0028 (probability of exploitation in next 30 days)
EPSS percentile: 20.01% vs all CVEs — higher = more likely to be exploited, as of 2026-07-26

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-2026-34479
Assigner: Chrome
Published: Jun 4, 2026, 11:04:27 PM
Updated: Jun 5, 2026, 7:18:42 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: 0.2800
Vendors: Google
Products: Chrome (149.0.7827.53 <149.0.7827.53)
Aliases: GHSA-jj3v-p7gf-2xfj

ENISA description: Use after free in Network in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: Medium)

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-2026-11030 msrc
None Available msrc
https://issues.chromium.org/issues/497722502 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-2026-11030 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-11030 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 Vendor Advisory
https://issues.chromium.org/issues/497722502 chrome-cve-admin@google.com Permissions Required

Remediations (18)

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

Microsoft and Adobe Patch Tuesday, February 2026 Security Update Review

web:blog.qualys.com

Microsoft's February 2026 Patch Tuesday focuses on closing security gaps that attackers could exploit, reinforcing the importance of timely patching in enterprise environments. Here's a quick…

2026-06-08 15:58 UTC
CVE-2026-11030 | Mondoo Vulnerability Intelligence

web:mondoo.com

CVE-2026-11030 - HIGH severity: Use after free in Network in Google Chrome prior to 149

2026-06-08 15:58 UTC
Nvd - Cve-2026-11130

web:nvd.nist.gov

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

2026-06-08 15:58 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 15:58 UTC
SecuriTricks - CVE-2026-11030

web:securitricks.com

CVE CVE-2026-11030 - Score : None - Source : chrome- cve -admin@google.com - Description : Use after free in Network in Google Chrome prior to 149..7827.53 allowed a remote attacker to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: Medium) - Tags : chrome- cve -admin@google.com, CWE-416, 2026 -06-04, CVE-2026-11030

2026-06-08 15:58 UTC
CVE-2026-11030 - security-tracker.debian.org

web:security-tracker.debian.org

The information below is based on the following data on fixed versions.

2026-06-08 15:58 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-06-08 15:58 UTC
February 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's February 2026 Patch Tuesday addresses 59 CVEs , featuring six exploited vulnerabilities, three of which were publicly known, and five Critical vulnerabilities.

2026-06-08 15:58 UTC
CVE-2026-11030 Common Vulnerabilities and Exposures | SUSE

web:www.suse.com

Secure your Linux systems from CVE-2026-11030 . Stay ahead of potential threats with the latest security updates from SUSE.

2026-06-08 15:58 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 15:58 UTC
CVE-2026-11030 | High Severity | Armis

web:cve.armis.com

CVE-2026-11030 : Chrome's network stack contains a use-after-free bug that allows a remote attacker to achieve heap corruption—potentially leading to arbitrary code execution—on any user who visits a malicious site or receives crafted network traffic.

2026-06-19 02:36 UTC
Microsoft Confirms Defender RoguePlanet 0-Day Exploit and Working to ...

web:cybersecuritynews.com

Microsoft has officially acknowledged a critical zero-day vulnerability in Microsoft Defender, publicly dubbed "RoguePlanet," and confirmed it is actively developing a security patch to address the flaw.

2026-06-19 02:36 UTC
CVE-2026-11030 | Security Details | Sonatype Guide

web:guide.sonatype.com

Technical security analysis for CVE-2026-11030 . CVSS 6.3 severity. View CVSS vectors, CWE classifications, and exploit maturity ratings.

2026-06-19 02:36 UTC
Adobe Security Bulletins and Advisories | Security

web:helpx.adobe.com

This page contains important information regarding security vulnerabilities that could affect specific versions of Adobe products. Use this information to take the prescribed corrective actions.

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

web:www.crowdstrike.com

Microsoft's March 2026 Patch Tuesday addresses 82 CVEs , featuring eight Critical vulnerabilities.

2026-06-19 02:36 UTC
Microsoft working on a fix for RoguePlanet, a flaw that grants full PC ...

web:www.malwarebytes.com

Microsoft says it's working on a fix for an unpatched Defender vulnerability that can give attackers the highest level of access on Windows.

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
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

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-11030.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 Network in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: Medium)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "Use after free",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-04T23:04:27.345Z",
        "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/497722502"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-11030",
    "datePublished": "2026-06-04T23:04:27.345Z",
    "dateReserved": "2026-06-04T17:06:33.232Z",
    "dateUpdated": "2026-06-04T23:04:27.345Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}