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CVE-2026-11103

📛 CVE Title

CVE-2026-11103

⬇ Download JSON ⚠ View as Threat

Description

Inappropriate implementation in Installer in Google Chrome on Windows prior to 149.0.7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

Overview

State
PUBLISHED
Assigner (CNA)
Chrome
CVSS severity
high
CVSS score
CVSS 7.8 / 10 7.8 7.8 / 10
CVSS vector
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Effective score
7.8 / 10 HIGH source: CNA overview
CWE(s)
—
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-2026-11103.json
Linked Threat
CVE-2026-11103 — CVE-2026-11103

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 23:17:15 UTC
NVD last modified
2026-07-23 07:10:00 UTC
NVD CVSS v3.1
CVSS 7.8 / 10 7.8 7.8 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore
1.8 / 10
Impact subscore
5.9 / 10
EPSS score
0.0008 (probability of exploitation in next 30 days)
EPSS percentile
0.22% vs all CVEs — higher = more likely to be exploited, as of 2026-07-27

NVD-assigned CWE(s): CWE-269 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-07-27 16:52 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

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-2026-34564
Assigner
Chrome
Published
Jun 4, 2026, 11:04:57 PM
Updated
Jun 6, 2026, 12:16:54 PM
EUVD base score (CVSS 3.1)
7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS
0.0800
Vendors
Google
Products
Chrome (149.0.7827.53 <149.0.7827.53)
Aliases
GHSA-qqjc-r7fp-h3vj

ENISA description: Inappropriate implementation in Installer in Google Chrome on Windows prior to 149.0.7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (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)
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?

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

Affected products (1)
VendorProductVersionsPlatforms
Google Chrome 149.0.7827.53 (affected) —

Affected products — CPE 2.3 (2) 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: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.

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.

Remediations (18)

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

  • CVE-2026-11103 - Vulnerability Details - OpenCVE
    web:app.opencve.io

    Inappropriate implementation in Installer in Google Chrome on Windows prior to 149..7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

    2026-06-08 15:56 UTC
  • CVE-2026-11103 - Google Chrome Installer Privilege Escalation
    web:cvefeed.io

    The following products are affected by CVE-2026-11103 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 15:56 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 15:56 UTC
  • Security Update Guide - Microsoft Security Response Center
    web:msrc.microsoft.com

    Security Update Guide - Microsoft Security Response Center

    2026-06-08 15:56 UTC
  • Nvd - Cve-2026-11103
    web:nvd.nist.gov

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

    2026-06-08 15:56 UTC
  • CVE-2026-11103 | Ubuntu
    web:ubuntu.com

    Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.

    2026-06-08 15:56 UTC
  • CVE-2026-11103 - vulnerability database | Vulners.com
    web:vulners.com

    CVE-2026-11103 : Chrome installer flaw enables local privilege escalation via a malicious file.

    2026-06-08 15:56 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.

    2026-06-08 15:56 UTC
  • CVE-2026-11103 | Tenable®
    web:www.tenable.com

    Inappropriate implementation in Installer in Google Chrome on Windows prior to 149..7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

    2026-06-08 15:56 UTC
  • CVE-2026-11103 - Info Vulnerability - TheHackerWire
    web:www.thehackerwire.com

    How do I fix or mitigate CVE-2026-11103 ? To protect against CVE-2026-11103 , 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 15:56 UTC
  • Microsoft Patch Tuesday March 2026 - 78 Vulnerabilities Fixed ...
    web:cybersecuritynews.com

    Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...

    2026-06-19 02:36 UTC
  • Security Update Guide - Loading - 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.

    2026-06-19 02:36 UTC
  • Microsoft's May 2026 Patch Tuesday Addresses 118 CVEs (CVE-2026-41103)
    web:securityboulevard.com

    Microsoft patched 118 CVEs in its May 2026 Patch Tuesday release, with 16 rated critical and 102 rated as important. Our counts omitted CVE -2025-54518, an AMD CPU OP Cache Corruption vulnerability issued by AMD.

    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
  • 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
  • Oracle Critical Patch Update Advisory - April 2026
    web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    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

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-11103.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": "Inappropriate implementation in Installer in Google Chrome on Windows prior to 149.0.7827.53 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Inappropriate implementation",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-04T23:04:57.675Z",
        "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/500483038"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-11103",
    "datePublished": "2026-06-04T23:04:57.675Z",
    "dateReserved": "2026-06-04T17:06:50.888Z",
    "dateUpdated": "2026-06-04T23:04:57.675Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}