CVE-2026-11173
📛 CVE Title
CVE-2026-11173
Description
Out of bounds write in V8 in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (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-787 - Reserved
- 2026-06-04
- Published
- 2026-06-04 23:05 UTC
- Last updated
- 2026-06-05 00:40 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/11xxx/CVE-2026-11173.json
- Linked Threat
- CVE-2026-11173 — CVE-2026-11173
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 23:17:24 UTC
- NVD last modified
- 2026-06-17 10:13:21 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
- 19.73% vs all CVEs — higher = more likely to be exploited, as of 2026-06-29
NVD / KEV / EPSS data refreshed 2026-06-30 13:54 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-2026-34634 - Assigner
- Chrome
- Published
- Jun 4, 2026, 11:05:30 PM
- Updated
- Jun 6, 2026, 3:56:15 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
- 0.2800
- Vendors
- Products
-
Chrome (149.0.7827.53 <149.0.7827.53)
- Aliases
-
GHSA-hx8j-9g3q-7c97
ENISA description: Out of bounds write in V8 in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
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-2026-11173 msrc
- None Available msrc
- https://issues.chromium.org/issues/502337304 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-2026-11173 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-11173 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/502337304 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.
-
web:blog.qualys.com
Microsoft has rolled out its March 2026 Patch Tuesday updates, delivering a fresh batch of security fixes designed to keep Windows environments protected from emerging threats.
2026-06-08 15:55 UTC -
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 ...
2026-06-08 15:55 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-06-08 15:55 UTC -
web:nvd.nist.gov
An official website of the United States government Here's how you know
2026-06-08 15:55 UTC -
web:vulmon.com
Vulnerability details of CVE-2026-11173 CVE-2026-11173 - Out of Bounds Write in V8 in Google Chrome Prior to 149..7827.53
2026-06-08 15:55 UTC -
web:www.crowdstrike.com
Microsoft's March 2026 Patch Tuesday addresses 82 CVEs , featuring eight Critical vulnerabilities.
2026-06-08 15:55 UTC -
web:www.forbes.com
Microsoft has released an out-of-band security update for certain Windows 11 users that fixes three critical enterprise security vulnerabilities.
2026-06-08 15:55 UTC -
web:www.lansweeper.com
The March 2026 edition of Patch Tuesday brings us 88 fixes, with 3 rated as critical. We've listed the most important changes below. Microsoft Excel Information Disclosure Vulnerability CVE - 2026 -26144 is a critical information disclosure flaw in Microsoft Excel caused by improper input neutralization during web page generation.
2026-06-08 15:55 UTC -
web:www.windowscentral.com
A faulty BitLocker configuration is forcing some PCs into BitLocker recovery mode after the April 2026 update, but there's a workaround to resolve this issue.
2026-06-08 15:55 UTC -
web:www.windowslatest.com
Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.
2026-06-08 15:55 UTC -
web:cve.armis.com
CVE-2026-11173 (High, CVSS 8.8). Published 2026 . A V8 JavaScript engine out-of-bounds write in Chrome allows an attacker who has already compromised the render…
2026-06-19 02:37 UTC -
web:cyberinsider.com
Microsoft fixes 83 vulnerabilities in Windows 11 with the March 2026 Patch Tuesday update, including two publicly disclosed zero-day flaws.
2026-06-19 02:37 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.
2026-06-19 02:37 UTC -
web:support.microsoft.com
The following summary outlines key issues addressed by this update. The bold text within the brackets indicates the item or area of the change. [Networking] Fixed: This update addresses a security issue in the Windows Routing and Remote Access Service (RRAS) management tool. If you connect to a malicious remote server, an attacker could disrupt the tool or run code on your device. For more ...
2026-06-19 02:37 UTC -
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 02:37 UTC -
web:www.notebookcheck.net
Microsoft's February 2026 Windows 11 updates (KB5077181 and KB5075941) add security patches, bug fixes, and new Secure Boot rollout signals ahead of certificate expirations starting in June 2026 .
2026-06-19 02:37 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 02:37 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 .
2026-06-19 02:37 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.
Raw JSON
The full cvelistV5 record. Download as CVE-2026-11173.json.
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-11173",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-05T00:40:16.991694Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-05T00:40:59.759Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"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": "Out of bounds write in V8 in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "Out of bounds write",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-04T23:05:30.358Z",
"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/502337304"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
"assignerShortName": "Chrome",
"cveId": "CVE-2026-11173",
"datePublished": "2026-06-04T23:05:30.358Z",
"dateReserved": "2026-06-04T17:10:37.692Z",
"dateUpdated": "2026-06-05T00:40:59.759Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}