Race in WebRTC in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
History

Fri, 29 May 2026 20:45:00 +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 18:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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 12:15:00 +0000

Type Values Removed Values Added
Title Race Condition in WebRTC Exposes Cross‑Origin Data chromium-browser: Race in WebRTC
Weaknesses CWE-366
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

threat_severity

Important


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

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

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

Type Values Removed Values Added
Title Race Condition in WebRTC Exposes Cross‑Origin Data

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

Type Values Removed Values Added
Description Race in WebRTC in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-362
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-29T16:31:16.170Z

Reserved: 2026-05-28T17:25:00.792Z

Link: CVE-2026-9959

cve-icon Vulnrichment

Updated: 2026-05-29T16:31:12.394Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-28T23:16:54.100

Modified: 2026-05-29T20:38:45.123

Link: CVE-2026-9959

cve-icon Redhat

Severity : Important

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

Links: CVE-2026-9959 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-29T20:00:05Z