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CVE-2026-9940

📛 CVE Title

Debian: CVE-2026-9940: chromium -- security update

⬇ Download JSON ⚠ View as Threat

Description

Heap buffer overflow in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to potentially exploit heap corruption 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-2026-9940/
Linked Threat
CVE-2026-9940 — CVE-2026-9940

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 23:16:52 UTC
NVD last modified
2026-06-17 11:05:51 UTC
NVD CVSS v3.1
CVSS 8.8 / 10 8.8 8.8 / 10 HIGH source: nvd@nist.gov
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
0.0026 (probability of exploitation in next 30 days)
EPSS percentile
17.24% vs all CVEs — higher = more likely to be exploited, as of 2026-07-11

NVD-assigned CWE(s): CWE-122 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-07-11 18:12 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-2026-33082
Assigner
Chrome
Published
May 28, 2026, 10:25:31 PM
Updated
May 30, 2026, 3:57:29 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
0.2600
Vendors
Google
Products
Chrome (148.0.7778.216 <148.0.7778.216)
Aliases
GHSA-3ggw-gm74-wqqp

ENISA description: Heap buffer overflow in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to potentially exploit heap corruption 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:apple:macos:-:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

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.

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-9940.json.

Not stored.