User Profile Arbitrary Junction Creation Local Privilege Elevation

The user profile service, identified as ProfSrv, is vulnerable to a local privilege elevation vulnerability in its CreateDirectoryJunction function due to a lack of appropriate checks on the directory structure of the junctions it tries to link together. Attackers can leverage this vulnerability ...

Windows User Profile Service Privlege Escalation Exploit

The user profile service, identified as ProfSrv, is vulnerable to a local privilege elevation vulnerability in its CreateDirectoryJunction function due to a lack of appropriate checks on the directory structure of the junctions it tries to link together. Attackers can leverage this vulnerability ...

Microsoft’s privilege escalation vulnerability that refuses to go away

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here After seven months, a vulnerability that was addressed in August 2021 patch Tuesday remained unpatched. This locally exploited vulnerability is tracked as CVE-2021-34484 and affects the Windows User Profile Service. While...

Windows 10 Privilege-Escalation Zero-Day Gets Unofficial Fix

A partially unpatched security bug in Windows that could allow local privilege escalation from a regular user to System remains unaddressed fully by Microsoft – but an unofficial micropatch from oPatch has hit the scene. The bug CVE-2021-34484 was originally disclosed and patched as part of...

CVE-2021-34484

creationtimestamp| type| source ---|---|--- 2021-10-29 18:59:00+00:00| exploited| https://t.me/truesecator/2270 2021-10-29 22:19:37+00:00| published-proof-of-concept| https://t.me/hackertrick/363 2021-10-30 14:34:03+00:00| exploited| https://t.me/NeKaspersky/1395 2021-11-10 23:12:02+00:00|...

CVE-2021-34484

Windows User Profile Service Elevation of Privilege Vulnerability...

CVE-2021-34484 Windows User Profile Service Elevation of Privilege Vulnerability

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CVE-2021-34484

CVE-2021-34484 is a Windows User Profile Service local privilege escalation caused by a race condition in CreateDirectoryJunction() that allowed a logged-on user to influence profile handling and load a malicious DLL with SYSTEM privileges. The vulnerability was initially patched but later bypass...

CVE-2021-34484

Windows User Profile Service Elevation of Privilege Vulnerability Recent assessments: ccondon-r7 at March 29, 2022 12:10pm UTC reported: This bug was evidently used by LAPSUS$ in the wild as part of the attack on Okta. gwillcox-r7 at March 30, 2022 4:21pm UTC reported: This bug was evidently used...

KB5005031: Windows 10 Version 1909 Security Update (August 2021)

The remote Windows host is missing security update 5005031. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. CVE-2021-26424, CVE-2021-26432,...

KB5005106: Windows 8.1 and Windows Server 2012 R2 Security Update (August 2021)

The remote Windows host is missing security update 5005106 or cumulative update 5005076. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. CVE-2021-26425, CVE-2021-26426, CVE-2021-34483,...

KB5005033: Windows 10 Version 2004 / Windows 10 Version 20H2 / Windows 10 Version 21H1 Security Update (August 2021)

The remote Windows host is missing security update 5005033. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. CVE-2021-26425, CVE-2021-26426, CVE-2021-26431, CVE-2021-34483, CVE-2021-34484,...

KB5005089: Windows 7 and Windows Server 2008 R2 Security Update (August 2021)

The remote Windows host is missing security update 5005089 or cumulative update 5005088. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. CVE-2021-26425, CVE-2021-34483, CVE-2021-34484,...