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VULNERABILITIES

CVE-2026-9966 Details

Description

Integer overflow in XML in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.3 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html [email protected]Release Notes
https://issues.chromium.org/issues/506388321 [email protected]Permissions Required

Weakness Enumeration

CWE-IDCWE NameSource
CWE-472External Control of Assumed-Immutable Web Parameter[email protected]

Affected Products

ProductVersions
google chrome
< 148.0.7778.216

CPE

  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
microsoft windows
All versions

CPE

  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-9966
NVD Published Date:
May 28, 2026
NVD Last Modified:
Jul 21, 2026
Source:
[email protected]
CVE-2026-9966 Details - Not Deferred