Time-of-check time-of-use (toctou) race condition in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
History

Wed, 05 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 03 Aug 2026 23:30:00 +0000

Type Values Removed Values Added
Description Time-of-check time-of-use (toctou) race condition in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
Title Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft edge Chromium
Weaknesses CWE-367
CPEs cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft edge Chromium
References
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/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-08-03T22:53:12.042Z

Updated: 2026-08-20T17:02:04.980Z

Reserved: 2026-07-24T18:06:51.295Z

Link: CVE-2026-66314

cve-icon Vulnrichment

Updated: 2026-08-05T14:29:07.451Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-04T00:17:38.797

Modified: 2026-08-06T17:03:18.930

Link: CVE-2026-66314

cve-icon Redhat

No data.