Permissions, Privileges, and Access Controls in Microsoft Edge - CVE-2021-36928
Published: July 23, 2021 / Updated: August 3, 2021
Vulnerability identifier: #VU55275
CSH Severity: Low
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-36928
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists within Edge Installer. A local user can create a directory junction and force the Edge Installer to delete files with elevated privileges.
Successful exploitation of the vulnerability may allow a local user to execute arbitrary code with SYSTEM privileges.
Affected software
Microsoft Edge
How to mitigate CVE-2021-36928
Install updates from vendor's website.
Microsoft Edge - update to 92.0.902.55