CVE-2026-7973: Integer overflow in Dawn

Published Mar 29, 2026
·
Updated

Chromium: CVE-2026-7973 Integer overflow in Dawn

Other sources

Integer overflow in Dawn in Google Chrome on Windows prior to 148.0.7778.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

— 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

6 affected componentsFixes available
Google Google Chrome<148.0.7778.96
Google Chrome<148.0.7778.96
148.0.7778.96
All of the following
Google Chrome<148.0.7778.96
Microsoft Windows
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<148.0.3967.54

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 148.0.7778.96
  2. Upgrade

    Upgrade Chromium to a version that resolves this vulnerability.

    Fixed in 148.0.7778.96
  3. Compensating control

    If you cannot immediately upgrade, mitigate exposure by restricting access to untrusted web content that could trigger the vulnerability (e.g., limit who can load untrusted HTML pages).

Event History

Mar 29, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
May 6, 2026
CVE Published
via MITRE·06:12 PM
Data Sourced
via MITRE·06:12 PM
DescriptionWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
May 7, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
May 29, 58331
Event
via FIRST·07:21 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-2026-7973?

CVE-2026-7973 has a high severity rating of 8.8 based on the CVSS 3.1 score.

2

How do I fix CVE-2026-7973?

To fix CVE-2026-7973, update Google Chrome to version 148.0.7778.96 or later.

3

What does CVE-2026-7973 exploit?

CVE-2026-7973 exploits an integer overflow vulnerability in Dawn within Google Chrome.

4

Which software is affected by CVE-2026-7973?

CVE-2026-7973 affects Google Chrome and Microsoft Edge (Chromium-based) on Windows.

5

What is the potential impact of CVE-2026-7973?

CVE-2026-7973 allows a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Company

Resources

Contact

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