CVE-2026-11239
📛 CVE Title
CVE-2026-11239
Description
Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform privilege escalation 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:H/PR:N/UI:R/S:U/C:H/I:H/A:H- 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-2026-11239.json
- Linked Threat
- CVE-2026-11239 — CVE-2026-11239
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H- Exploitability subscore
- 1.6 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0022 (probability of exploitation in next 30 days)
- EPSS percentile
- 12.80% vs all CVEs — higher = more likely to be exploited, as of 2026-07-30
NVD / KEV / EPSS data refreshed 2026-07-31 00:58 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-2026-34700 - Assigner
- Chrome
- Published
- Jun 4, 2026, 11:05:57 PM
- Updated
- Jun 5, 2026, 1:11:51 AM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - EUVD-reported EPSS
- 0.2200
- Vendors
- Products
-
Chrome (149.0.7827.53 <149.0.7827.53)
- Aliases
-
GHSA-pmj9-5jq4-f597
ENISA description: Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform privilege escalation 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-2026-11239 msrc
- None Available msrc
- https://issues.chromium.org/issues/497025738 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-2026-11239 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-11239 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/497025738 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: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 12:10 UTC -
web:dbugs.ptsecurity.com
Details on CVE-2026-11239 : Google Chrome. Includes CVSS score, affected versions, and references.
2026-06-05 12:10 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 12:10 UTC -
web:vulmon.com
Vulnerability Summary A remote attacker with access to a compromised renderer process in Google Chrome versions before 149..7827.53 may escalate privileges by crafting a malicious HTML page that exploits improper implementation within the Extensions component.
2026-06-05 12:10 UTC -
web:vulners.com
Vulners Cve CVE-2026-11239 CVE-2026-11239 🗓️ 04 Jun 2026 23:05:57 Reported by Chrome Type cve 🔗 www. cve .org 👁 1 Views
2026-06-05 12:10 UTC -
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.
2026-06-05 12:10 UTC -
web:www.msn.com
Original story: Microsoft has released an emergency patch for a vulnerability in the company's Office programs that's already being exploited by hackers.
2026-06-05 12:10 UTC -
web:www.tenable.com
Inappropriate implementation in Extensions in Google Chrome prior to 149..7827.53 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. (Chromium security severity: Low)
2026-06-05 12:10 UTC -
web:www.thehackerwire.com
How severe is CVE-2026-11239 ? This vulnerability has a CVSS score of 7.5 out of 10, rated as High. High severity vulnerabilities pose significant risk and could allow attackers to gain elevated privileges or access sensitive data. How do I fix or mitigate CVE-2026-11239 ? When was CVE-2026-11239 disclosed?
2026-06-05 12:10 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 12:10 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 02:35 UTC -
web:github.com
A new and improved community patch for BO3. . Contribute to shiversoftdev/t7patch development by creating an account on GitHub.
2026-06-19 02:35 UTC -
web:guide.sonatype.com
Find vulnerabilities. Fix fast with AI. Search components by package, version, or CVE to get started. Unlock full vulnerability insights and fix guidance with Sonatype Guide.
2026-06-19 02:35 UTC -
web:nvd.nist.gov
The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...
2026-06-19 02:35 UTC -
web:support.microsoft.com
Note: The fix for CVE - 2026 -45583 is not included in the Security Update, please follow the instructions mentioned in the CVE documentation to address this vulnerability.
2026-06-19 02:35 UTC -
web:www.golfthepatch.com
Now open, The Patch features a redesigned 18-hole course, led by golf course architects Tom Fazio and Beau Welling, and a new 9-hole short course, The Loop at The Patch , designed by Tiger Woods and TGR Design. Welcome to Augusta's best-in-class public golf experience.
2026-06-19 02:35 UTC -
web:www.oracle.com
Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.
2026-06-19 02:35 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 02:35 UTC -
web:www.patch.moe
Age Verification Are you 18 years or older? YES NO
2026-06-19 02:35 UTC -
web:www.securityweek.com
Vulnerabilities Oracle's Second Monthly Security Updates Deliver 245 Patches Oracle has released its June 2026 Critical Security Patch Update to fix vulnerabilities in Communications, EBS, Enterprise Manager and other products.
2026-06-19 02:35 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-11239.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 Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. (Chromium security severity: Low)"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "Insufficient validation of untrusted input",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-04T23:05:57.187Z",
"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/497025738"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"assignerShortName": "Chrome",
"cveId": "CVE-2026-11239",
"datePublished": "2026-06-04T23:05:57.187Z",
"dateReserved": "2026-06-04T17:11:00.310Z",
"dateUpdated": "2026-06-04T23:05:57.187Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}