CVE-2026-9942: Uninitialized Use in ANGLE

Published Apr 16, 2026
·
Updated

Chromium: CVE-2026-9942 Uninitialized Use in ANGLE

Other sources

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

Uninitialized Use in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

— NVD

Credit

Google

Affected Software

12 affected componentsFixes available
Google Google Chrome<148.0.7778.216
Google Chrome<148.0.7778.216
148.0.7778.216
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<148.0.3967.96
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
debian/chromium
150.0.7871.100-1~deb12u1156.0.8078.79-1~deb12u1150.0.7871.181-1~deb13u1156.0.8078.79-1~deb13u1156.0.8078.79-1
debian/webkit2gtk<=2.50.6-1~deb12u2, <=2.50.6-1~deb12u1, <=2.52.6-1~deb13u1, <=2.52.6-1
2.54.0-1~deb13u32.54.2-2
debian/wpewebkit<=2.38.6-1, <=2.48.3-1
2.54.2-1

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 debian/chromium to a version that resolves this vulnerability.

    Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.79-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1
  3. Upgrade

    Upgrade debian/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.54.0-1~deb13u3Fixed in 2.54.2-2
  4. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.54.2-1
  5. Upgrade

    Upgrade Google Chrome/Chromium to a version that resolves this vulnerability.

    Fixed in 148.0.7778.216Patch CVE-2026-9942

Event History

Apr 16, 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 Red Hat·11:07 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·11:16 PM
DescriptionSeverityWeaknessAffected Software
May 29, 2026
Data Sourced
via Microsoft·11:20 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-9942?

CVE-2026-9942 has a medium severity rating of 5.

2

How do I fix CVE-2026-9942?

To address CVE-2026-9942, update Google Chrome or Microsoft Edge to the latest version.

3

What is CVE-2026-9942 about?

CVE-2026-9942 involves an uninitialized use vulnerability in ANGLE affecting certain versions of Google Chrome.

4

Which software is affected by CVE-2026-9942?

CVE-2026-9942 affects Google Chrome and Microsoft Edge (Chromium-based).

5

When was CVE-2026-9942 published?

CVE-2026-9942 was published on April 16, 2026.

Company

Resources

Contact

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