CVE-2026-9960

Description

Integer overflow in PDFium in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted font file. (Chromium security severity: High)

Overview

State

—

Assigner (CNA)

—

CVSS severity

MEDIUM

CVSS score

5.0 / 10

CVSS vector

AV:N/AC:H/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-2026-9960/

Linked Threat

CVE-2026-9960 — CVE-2026-9960

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 23:16:54 UTC

NVD last modified

2026-06-17 11:05:54 UTC

NVD CVSS v3.1

7.5 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability subscore

1.6 / 10

Impact subscore

5.9 / 10

EPSS score

0.0024 (probability of exploitation in next 30 days)

EPSS percentile

14.31% vs all CVEs — higher = more likely to be exploited, as of 2026-06-30

NVD-assigned CWE(s): CWE-472 (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-2026-33102

Assigner

Chrome

Published

May 28, 2026, 10:25:37 PM

Updated

May 30, 2026, 3:55:57 AM

EUVD base score (CVSS 3.1)

7.5 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EUVD-reported EPSS

0.2400

Vendors

Google

Products

Chrome (148.0.7778.216 <148.0.7778.216)

Aliases

GHSA-7w34-gvpm-fpjm

ENISA description: Integer overflow in PDFium in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted font file. (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

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-2026-9960 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/504573260 tenable:issues.chromium.org
• https://nvd.nist.gov/vuln/detail/CVE-2026-9960 tenable:nvd.nist.gov
• https://attackerkb.com/topics/CVE-2026-9960 rapid7:attackerkb.com
• http://cwe.mitre.org/data/definitions/472.html rapid7:cwe.mitre.org
• https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-33102 rapid7:euvd.enisa.europa.eu
• https://www.cve.org/CVERecord?id=CVE-2026-9960 rapid7:www.cve.org

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

• Rapid7 — Solution
  rapid7

  google-chrome-upgrade-latest

  2026-06-04 08:59 UTC
• Rapid7 — Solution
  rapid7

  debian-upgrade-chromium

  2026-06-04 08:56 UTC
• Microsoft's June 2026 Patch Tuesday Addresses 206 Vulnerabilities ...
  web:aviatrix.ai

  The June 2026 Patch Tuesday highlights the increasing frequency and severity of zero-day vulnerabilities being exploited in the wild. The public disclosure of these flaws by 'Nightmare Eclipse' and the subsequent rapid exploitation emphasize the urgency for organizations to implement robust vulnerability management and patching strategies to protect against emerging threats.

  2026-06-19 02:30 UTC
• Microsoft Patches 198 Vulnerabilities in June 2026 Security Update
  web:cyberpress.org

  Microsoft has released its June 2026 Patch Tuesday security update, addressing 198 vulnerabilities across its product ecosystem, one of the largest single-month patches in recent memory.

  2026-06-19 02:30 UTC
• Microsoft June 2026 Patch Tuesday fixes 206 flaws, including CVE-2026 ...
  web:cybersixt.com

  Microsoft released its June 2026 Patch Tuesday updates, addressing 206 security vulnerabilities across Windows and related software, of which three were publicly disclosed zero‑day flaws, including an HTTP/2 bomb vulnerability ( CVE - 2026 -49160). The patches are now available for installation; administrators are advised to apply them promptly to mitigate potential exploitation.

  2026-06-19 02:30 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 02:30 UTC
• June 9, 2026—KB5094126 (OS Builds 26200.8655 and 26100.8655)
  web:support.microsoft.com

  Improvements This update includes new features and quality improvements that were part of the following update: May 12, 2026—KB5089549 (OS Builds 26200.8457 and 26100.8457) May 26, 2026—KB5089573 (OS Builds 26200.8524 and 26100.8524) This update addresses security vulnerabilities documented in the following guide: June 2026 Security Updates. The following summary outlines key quality ...

  2026-06-19 02:30 UTC
• June 2026 Patch Tuesday Fixes 200 Microsoft Vulnerabilities
  web:thecyberexpress.com

  June 2026 Patch Tuesday fixes 200 Microsoft vulnerabilities, including 3 zero-days and 33 critical flaws. Key risks and mitigation steps.

  2026-06-19 02:30 UTC
• Critical Patches Issued for Microsoft Products, June 9, 2026
  web:www.cisecurity.org

  <p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

  2026-06-19 02:30 UTC
• Microsoft Confirms It Is Urgently Working On Patch For ... - LinkedIn
  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
• Patch Tuesday - June 2026 - Rapid7
  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
• 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 .

  2026-06-19 02:30 UTC

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