CVE-2026-9947 - chromium-browser: Use after free in XML

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CRITICAL

chromium-browser: Use after free in XML

Published May 28, 2026

9.6

CRITICAL

CVSS 3.1

EPSS 0.41%

Description

Use after free in XML 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)

Affected products

Vendor Google Product Chrome Default
n/a
- Version
  148.0.7778.216
  Status
  affected
  Constraints
  <148.0.7778.216

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Chrome

n/a

Version	Status	Constraints
148.0.7778.216	affected	<148.0.7778.216

Remediation

Red Hat statement

Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.

Weaknesses (2)

CWE-416

Use After Free

CWE-825

References (7)

https://access.redhat.com/security/cve/CVE-2026-9947
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2483050
Issue Tracking
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
Release Notes
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-33089
Advisory
https://issues.chromium.org/issues/503627446
Permissions Required
https://nvd.nist.gov/vuln/detail/CVE-2026-9947
https://www.cve.org/CVERecord?id=CVE-2026-9947

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2026-9947		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2483050		Issue Tracking
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html		Release Notes
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-33089		Advisory
https://issues.chromium.org/issues/503627446		Permissions Required
https://nvd.nist.gov/vuln/detail/CVE-2026-9947
https://www.cve.org/CVERecord?id=CVE-2026-9947