CVE-2026-11242
📛 CVE Title
CVE-2026-11242
Description
Insufficient validation of untrusted input in Plugins in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Chrome
- CVSS severity
- high
- CVSS score
- 7.5 / 10
- CVSS vector
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Effective score
- 7.5 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-20 - Reserved
- 2026-06-04
- Published
- 2026-06-04 23:05 UTC
- Last updated
- 2026-06-04 23:05 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/11xxx/CVE-2026-11242.json
- Linked Threat
- CVE-2026-11242 — CVE-2026-11242
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 00:17:00 UTC
- NVD last modified
- 2026-07-23 07:10:00 UTC
- NVD CVSS v3.1
- 7.5 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Exploitability subscore
- 3.9 / 10
- Impact subscore
- 3.6 / 10
- EPSS score
- 0.0026 (probability of exploitation in next 30 days)
- EPSS percentile
- 18.16% vs all CVEs — higher = more likely to be exploited, as of 2026-07-26
NVD / KEV / EPSS data refreshed 2026-07-27 11:54 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-2026-34703 - Assigner
- Chrome
- Published
- Jun 4, 2026, 11:05:58 PM
- Updated
- Jun 5, 2026, 12:34:11 PM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EUVD-reported EPSS
- 0.2600
- Vendors
- Products
-
Chrome (149.0.7827.53 <149.0.7827.53)
- Aliases
-
GHSA-4586-rwvx-3g6j
ENISA description: Insufficient validation of untrusted input in Plugins in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
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 |
|---|---|---|---|
| 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-2026-11242 msrc
- None Available msrc
- https://issues.chromium.org/issues/497385823 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-2026-11242 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-11242 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/497385823 chrome-cve-admin@google.com Permissions Required
Remediations (20)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:cyberinsider.com
Microsoft has released the May 2026 Patch Tuesday updates for Windows 11, fixing 97 security vulnerabilities across the Windows ecosystem. This month's updates include fixes spanning Windows components, Microsoft Office, Azure services, SQL Server, SharePoint, Hyper-V, .NET, and multiple cloud platforms.
2026-06-05 12:06 UTC -
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.
2026-06-05 12:06 UTC -
web:krebsonsecurity.com
Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.
2026-06-05 12:06 UTC -
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.
2026-06-05 12:06 UTC -
web:tech.yahoo.com
Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.
2026-06-05 12:06 UTC -
web:thecyberexpress.com
Microsoft has rolled out its May 2026 Patch Tuesday security updates, delivering fixes for approximately 120 vulnerabilities across Windows, Microsoft Office, networking services, and enterprise platforms.
2026-06-05 12:06 UTC -
web:vulmon.com
CVE-2026-11242 - Cross-Origin Data Leak in Google Chrome Plugins Prior to 149..7827.53
2026-06-05 12:06 UTC -
web:www.dbtsupport.com
The May 2026 Microsoft Patch Tuesday release includes security updates across supported Microsoft products and should be reviewed directly in the Microsoft Security Update Guide for the final CVE list, affected products, severity ratings, exploitability assessments, and any revised guidance.
2026-06-05 12:06 UTC -
web:www.malwarebytes.com
The KEV catalog tracks vulnerabilities known to be exploited in the wild and sets patch deadlines for Federal Civilian Executive Branch (FCEB) agencies. Five of the added vulnerabilities are quite old by vulnerability standards. Patches were released in 2008, 2009, and 2010. But the Microsoft Defender vulnerabilities are from this year. Those ...
2026-06-05 12:06 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-06-05 12:06 UTC -
web:cybernews.com
Ubiquiti has released emergency updates for its UniFi Network Application - a critical vulnerability allows hackers to compromise systems without credentials.
2026-06-19 02:36 UTC -
web:epatch.pa.gov
Why does PATCH exist? Its purpose is to better enable the public to obtain criminal history record checks. The repository was created and is maintained in accordance with Pennsylvania's Criminal History Information Act contained in Chapter 91 of Title 18, Crimes Code. This Act also directs the Pennsylvania State Police (PSP) to disseminate criminal history data to criminal justice agencies ...
2026-06-19 02:36 UTC -
web:mondoo.com
CVE-2026-11242 - HIGH severity: Insufficient validation of untrusted input in Plugins in Google Chrome prior to 149
2026-06-19 02:36 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-06-19 02:36 UTC -
web:playvalorant.com
VALORANT Patch Notes 12.08 Introducing Skirmish: Ascension, new map rotation, and the return of Premier Game Updates 4/14/ 2026
2026-06-19 02:36 UTC -
web:vulert.com
Learn about CVE-2026-11242 , a cross-origin data leak vulnerability in Chromium. Discover how to fix it and protect your applications.
2026-06-19 02:36 UTC -
web:www.ibm.com
IBM Support, Fix Central All code (including Machine Code updates, samples, fixes or other software downloads) provided on the Fix Central website is subject to the terms of the applicable license agreements. Machine Code updates for Power Systems and System Storage are available for IBM machines that are under warranty or an IBM hardware maintenance service agreement. Some exceptions apply ...
2026-06-19 02:36 UTC -
web:www.oracle.com
Oracle Critical Patch Update Advisory - January 2026 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical ...
2026-06-19 02:36 UTC -
web:www.tenable.com
Insufficient validation of untrusted input in Plugins in Google Chrome prior to 149..7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
2026-06-19 02:36 UTC -
web:www.tenable.com
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Insufficient validation of untrusted input in Plugins in Google Chrome prior to 149..7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.
2026-06-19 02:36 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-11242.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": "Insufficient validation of untrusted input in Plugins in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "Insufficient validation of untrusted input",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-04T23:05:58.348Z",
"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/497385823"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"assignerShortName": "Chrome",
"cveId": "CVE-2026-11242",
"datePublished": "2026-06-04T23:05:58.348Z",
"dateReserved": "2026-06-04T17:11:01.297Z",
"dateUpdated": "2026-06-04T23:05:58.348Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}