Description
Inappropriate implementation in Media in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Published: 2026-05-28
Score: 3.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6316-1 chromium security update
History

Mon, 01 Jun 2026 18:30:00 +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 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N'}

ssvc

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

cvssV3_1

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


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

Type Values Removed Values Added
Weaknesses CWE-200

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

Type Values Removed Values Added
Title Cross-Origin Data Leakage via Renderer Process in Chrome Windows chromium-browser: Inappropriate implementation in Media
Weaknesses CWE-346
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N'}

threat_severity

Important


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

Type Values Removed Values Added
Title Cross-Origin Data Leakage via Renderer Process in Chrome Windows
Weaknesses CWE-200

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

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

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

Type Values Removed Values Added
Description Inappropriate implementation in Media in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-29T16:46:19.565Z

Reserved: 2026-05-28T17:25:09.312Z

Link: CVE-2026-9991

cve-icon Vulnrichment

Updated: 2026-05-29T16:46:13.044Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-28T23:16:57.340

Modified: 2026-06-01T18:15:06.033

Link: CVE-2026-9991

cve-icon Redhat

Severity : Important

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

Links: CVE-2026-9991 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-29T18:45:05Z

Weaknesses