CVE-2026-9952
📛 CVE Title
Debian: CVE-2026-9952: chromium -- security update
Description
Use after free in WebAudio 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
- 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-2026-9952/
- Linked Threat
- CVE-2026-9952 — CVE-2026-9952
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 23:16:53 UTC
- NVD last modified
- 2026-06-17 11:05:53 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
- 0.0038 (probability of exploitation in next 30 days)
- EPSS percentile
- 30.16% vs all CVEs — higher = more likely to be exploited, as of 2026-06-29
NVD-assigned CWE(s):
CWE-416
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-06-30 08:27 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-2026-33094 - Assigner
- Chrome
- Published
- May 28, 2026, 10:25:35 PM
- Updated
- May 30, 2026, 3:55:34 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
- 0.3800
- Vendors
- Products
-
Chrome (148.0.7778.216 <148.0.7778.216)
- Aliases
-
GHSA-r3cx-3f67-3836
ENISA description: Use after free in WebAudio 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)
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)
- Release Notes — Vendor Fix / Security Update (fixed build 148.0.3967.96)
- 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 |
|---|---|---|
| 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?
- 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 — 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.
- MSRC update guide: CVE-2026-9952 msrc
- None Available msrc
- https://www.first.org/epss/ tenable:www.first.org
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html tenable:chromereleases.googleblog.com
- https://issues.chromium.org/issues/503929476 tenable:issues.chromium.org
- https://nvd.nist.gov/vuln/detail/CVE-2026-9952 tenable:nvd.nist.gov
- https://attackerkb.com/topics/CVE-2026-9952 rapid7:attackerkb.com
- http://cwe.mitre.org/data/definitions/416.html rapid7:cwe.mitre.org
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-33094 rapid7:euvd.enisa.europa.eu
- https://www.cve.org/CVERecord?id=CVE-2026-9952 rapid7:www.cve.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/2026/05/stable-channel-update-for-desktop_0877304591.html chrome-cve-admin@google.com Release Notes
- https://issues.chromium.org/issues/503929476 chrome-cve-admin@google.com Permissions Required
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 08:59 UTC -
rapid7
debian-upgrade-chromium
2026-06-04 08:56 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-06-19 02:30 UTC -
web:nvd.nist.gov
An official website of the United States government Here's how you know
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.apple.com
This document describes the security content of iOS 26.2 and iPadOS 26.2.
2026-06-19 02:30 UTC -
web:web.whatsapp.com
Log in to WhatsApp Web for simple, reliable and private messaging on your desktop. Send and receive messages and files with ease, all for free.
2026-06-19 02:30 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 02:30 UTC -
web:www.manageengine.com
Unfold what this Patch Tuesday has in store for you Patch Tuesday, the unofficial term for Microsoft's scheduled security fix release on every second Tuesday of a month, has been a constant topic of discussion ever since its inception. Upcoming Webinar June 11,2026 11:30 EDT & 6:30 a.m. GMT Agenda of the Free Patch Tuesday webinar A complete breakdown of all the latest Patch Tuesday updates ...
2026-06-19 02:30 UTC -
web:www.pdq.com
May 2026 Patch Tuesday is here, and PDQ is back with another recap. Will we see another month of increased CVE volume? Is AI to blame? Dive in to learn more.
2026-06-19 02:30 UTC -
web:www.rapid7.com
Microsoft is publishing 200 vulnerabilities on June 2026 Patch Tuesday, including an HTTP/2 denial of service vulnerability and an elevation of privilege vulnerability in PowerToys.
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
AI Forensic Analysis
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