CVE-2026-9968: Integer overflow in V8

Published Apr 25, 2026
·
Updated

Chromium: CVE-2026-9968 Integer overflow in V8

Other sources

Integer overflow in V8 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)

NVD

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Microsoft

Credit

Google

Affected Software

9 affected componentsFixes available
Google Google Chrome<148.0.7778.216
Google Chrome<148.0.7778.216
148.0.7778.216
All of the following
Google Chrome<148.0.7778.216
Microsoft Windows
All of the following
Google Chrome<148.0.7778.215
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Edge (Chromium-based)
Microsoft Edge<148.0.3967.96

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 148.0.7778.216
  2. Upgrade

    Upgrade Chromium/V8 (as used by Chrome and Chromium-based browsers like Microsoft Edge) to a version that resolves this vulnerability.

    Fixed in 148.0.7778.216

Event History

Apr 25, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
May 28, 2026
CVE Published
via MITRE·10:25 PM
Data Sourced
via MITRE·10:25 PM
DescriptionWeakness
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
May 29, 2026
Data Sourced
via Microsoft·11:21 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·11:21 PM
DescriptionAffected Software
Jun 29, 58424
Event
via FIRST·05:07 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-9968?

The severity of CVE-2026-9968 is rated high with a CVSS score of 8.8.

2

How do I fix CVE-2026-9968?

To fix CVE-2026-9968, update Google Chrome to version 148.0.7778.216 or later.

3

What type of vulnerability is CVE-2026-9968?

CVE-2026-9968 is an integer overflow vulnerability in V8, the JavaScript engine in Google Chrome.

4

What impact does CVE-2026-9968 have on users?

CVE-2026-9968 allows a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

5

Which software is affected by CVE-2026-9968?

CVE-2026-9968 affects Google Chrome versions prior to 148.0.7778.216 and Microsoft Edge versions based on Chromium.

Contact

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