Race condition in Microsoft Edge - CVE-2026-85892
Published: September 14, 2026
Vulnerability identifier: #VU149478
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85892
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a race condition. A remote attacker can elevate privileges from a Low Integrity Level in a contained ("sandboxed") execution environment to a Medium Integrity Level, leading to security restrictions bypass.
Affected software
Microsoft Edge
How to mitigate CVE-2026-85892
Install updates from vendor's website.
Microsoft Edge - update to 152.0.4191.66