CVE-2026-11091

Description

Inappropriate implementation in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform out of bounds memory access 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): —
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-2026-11091.json
Linked Threat: CVE-2026-11091 — CVE-2026-11091

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 23:17:14 UTC
NVD last modified: 2026-06-17 10:13:09 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: 0.0025 (probability of exploitation in next 30 days)
EPSS percentile: 15.89% vs all CVEs — higher = more likely to be exploited, as of 2026-07-16

NVD-assigned CWE(s): CWE-125, CWE-787 (differs from the CNA list above)

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-2026-34539
Assigner: Chrome
Published: Jun 4, 2026, 11:04:52 PM
Updated: Jun 5, 2026, 4:30:15 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: 0.2500
Vendors: Google
Products: Chrome (149.0.7827.53 <149.0.7827.53)
Aliases: GHSA-9p75-crhx-vjqc

ENISA description: Inappropriate implementation in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (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-2026-11091 msrc
None Available msrc
https://issues.chromium.org/issues/500162791 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-2026-11091 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-11091 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/500162791 chrome-cve-admin@google.com Permissions Required

Remediations (17)

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

Microsoft releases urgent Office patch. Russian-state hackers pounce ...

web:arstechnica.com

Russian-state hackers wasted no time exploiting a critical Microsoft Office vulnerability that allowed them to compromise the devices inside diplomatic, maritime, and transport organizations in ...

2026-06-08 15:56 UTC
CISA Warns of Exploited Microsoft Defender 0-Day Flaws

web:cyberpress.org

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .

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
GitHub - 0xBlackash/CVE-2026-41091: CVE-2026-41091

web:github.com

CVE ID: CVE - 2026 -41091 Vulnerability Type: Improper Link Resolution Before File Access (CWE-59 - Link Following) Affected Component: Microsoft Malware Protection Engine Root Cause: Defender fails to properly resolve links/junctions during cloud-tagged file remediation /rollback, allowing redirection of privileged writes. Impact: Local authenticated attacker can escalate from standard user to ...

2026-06-08 15:56 UTC
Security Update Guide - Loading - Microsoft

web:msrc.microsoft.com

Vulnerabilities CVE-2026-11091

2026-06-08 15:56 UTC
Nvd - Cve-2026-10911

web:nvd.nist.gov

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

2026-06-08 15:56 UTC
Microsoft patches two zero-day flaws in Defender - CSO Online

web:www.csoonline.com

Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or ...

2026-06-08 15:56 UTC
Microsoft Defender vulnerabilities are being exploited in the wild

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 ...

2026-06-08 15:56 UTC
CISA ordered federal agencies to patch two actively exploited ... - MSN

web:www.msn.com

Federal civilian agencies across the United States face a two-week sprint to fix two Microsoft Defender vulnerabilities that attackers are already using in the wild. The Cybersecurity and ...

2026-06-08 15:56 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 15:56 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
Nvd - Cve-2026-41091

web:nvd.nist.gov

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

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 June Patch Tuesday Breaks Records, Includes 4 Zero-Day Fixes

web:redmondmag.com

Microsoft June Patch Tuesday fixed 198 CVEs , including four urgent zero-day vulnerabilities. CVE - 2026 -41091 poses highest risk, with Microsoft Defender privilege escalation actively exploited.

2026-06-19 02:36 UTC
2 New Microsoft Defender Zero-Days Exploited—Patch Now ... - Forbes

web:www.forbes.com

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.

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

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-11091.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 Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Medium)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Inappropriate implementation",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-04T23:04:52.574Z",
        "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/500162791"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-11091",
    "datePublished": "2026-06-04T23:04:52.574Z",
    "dateReserved": "2026-06-04T17:06:48.008Z",
    "dateUpdated": "2026-06-04T23:04:52.574Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}