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CVE-2026-9995

📛 CVE Title

Debian: CVE-2026-9995: chromium -- security update

Description

Use after free in WebXR in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Overview

State
Assigner (CNA)
CVSS severity
MEDIUM
CVSS score
CVSS 5.0 / 10 5.0 5.0 / 10
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Effective score
5.0 / 10 MEDIUM source: CNA overview
CWE(s)
Reserved
Published
2026-06-01 00:00 UTC
Last updated
2026-06-19 14:40 UTC
Source
https://www.rapid7.com/db/vulnerabilities/debian-cve-2026-9995/
Linked Threat
CVE-2026-9995 — CVE-2026-9995

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
2026-05-28 23:16:57 UTC
NVD last modified
2026-06-17 11:06:00 UTC
NVD CVSS v3.1
CVSS 8.8 / 10 8.8 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
0.0030 (probability of exploitation in next 30 days)
EPSS percentile
21.19% vs all CVEs — higher = more likely to be exploited, as of 2026-06-30

NVD-assigned CWE(s): CWE-416 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-06-30 18:02 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-2026-33137
Assigner
Chrome
Published
May 28, 2026, 10:25:49 PM
Updated
May 30, 2026, 3:55:26 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
0.3000
Vendors
Google
Products
Chrome (148.0.7778.216 <148.0.7778.216)
Aliases
GHSA-x7fm-cx6h-8jqr

ENISA description: Use after free in WebXR in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

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 2026-08-15 03:02 UTC (source: CVRF).

Release
2026-May
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
148.0.3967.96 05/29/2026 148.0.7778.216/217

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 — 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:microsoft:windows:-:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (10)

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 (12)

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

  • rapid7

    google-chrome-upgrade-latest

    2026-06-04 09:00 UTC
  • rapid7

    debian-upgrade-chromium

    2026-06-04 08:57 UTC
  • web:catalog.update.microsoft.com

    Welcome to the Microsoft Update Catalog site. We want your feedback! Visit our newsgroup or send us an email to provide us with your thoughts and suggestions. To get started using the site, enter in your search terms in the Search box above or visit our FAQ for search tips. |Newsgroup|Send us your feedback

    2026-06-19 02:30 UTC
  • web:learn.microsoft.com

    In this library you will find the following security documents that have been released by the Microsoft Security Response Center (MSRC). The MSRC investigates all reports of security vulnerabilities affecting Microsoft products and services, and releases these documents as part of the ongoing effort to help you manage security risks and help keep your systems protected. Please use the ...

    2026-06-19 02:30 UTC
  • web:learn.microsoft.com

    Windows 11, version 25H2 is now available for all eligible devices. Devices running Home and Pro editions of Windows 11 that are not managed by IT departments will receive the update to Windows 11, version 25H2 through the machine learning-based intelligent rollout.

    2026-06-19 02:30 UTC
  • web:nvd.nist.gov

    Description Impact: When a user-configured proxy on webpack-dev-server has a broad context (e.g. /) and ws: true, it also intercepts the dev server's own HMR WebSocket and forwards it to the proxy target. This leaks the browser's cookies and Origin header to the backend, bypasses the dev server's Host/Origin validation, and corrupts the HMR socket (both HMR and the proxy end up writing to the ...

    2026-06-19 02:30 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 02:30 UTC
  • web:support.microsoft.com

    Improvements This update includes new features and quality improvements that were part of the following update: May 12, 2026—KB5089548 (OS Build 28000.2113) May 26, 2026—KB5089570 (OS Build 28000.2179) This update addresses security vulnerabilities documented in the following guide: June 2026 Security Updates The following summary outlines key quality improvements addressed by this update ...

    2026-06-19 02:30 UTC
  • web:thehackernews.com

    Microsoft patches 59 vulnerabilities, including six actively exploited zero-days, with CISA mandating urgent federal remediation .

    2026-06-19 02:30 UTC
  • web:www.computerworld.com

    Microsoft says it is considering a patch for a zero-day vulnerability, dubbed YellowKey, that allows attackers with access to a Windows device to bypass Bitlocker encryption protection and read ...

    2026-06-19 02:30 UTC
  • web:www.linkedin.com

    Microsoft has confirmed that it is developing a security update to address a newly disclosed zero-day vulnerability in Microsoft Defender, following the public release of exploit code that ...

    2026-06-19 02:30 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 02:30 UTC

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-9995.json.

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