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)

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 29 May 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows

Fri, 29 May 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H'}


Fri, 29 May 2026 12:15:00 +0000

Type Values Removed Values Added
Title XML Integer Overflow Enables Sandbox Escape chromium-browser: Integer overflow in XML
Weaknesses CWE-190
References
Metrics threat_severity

None

cvssV3_1

{'score': 9.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

threat_severity

Important


Fri, 29 May 2026 03:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Fri, 29 May 2026 01:45:00 +0000

Type Values Removed Values Added
Title XML Integer Overflow Enables Sandbox Escape

Thu, 28 May 2026 22:45:00 +0000

Type Values Removed Values Added
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)
Weaknesses CWE-472
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-29T15:09:22.932Z

Reserved: 2026-05-28T17:25:03.564Z

Link: CVE-2026-9966

cve-icon Vulnrichment

Updated: 2026-05-29T15:09:17.118Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-28T23:16:54.817

Modified: 2026-05-29T20:28:06.317

Link: CVE-2026-9966

cve-icon Redhat

Severity : Important

Publid Date: 2026-05-27T00:00:00Z

Links: CVE-2026-9966 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-29T16:45:03Z

Weaknesses