CVE-2022-21919
Published: April 25, 2022
Official Description
Microsoft Windows User Profile Service contains an unspecified vulnerability that allows for privilege escalation.
CISA KEV Advisory
Microsoft Windows User Profile Service Privilege Escalation Vulnerability
Microsoft Windows User Profile Service contains an unspecified vulnerability that allows for privilege escalation.
Apply updates per vendor instructions.
Risk Analysis
This unspecified vulnerability in Microsoft Windows User Profile Service allows an attacker to elevate their privileges. The high severity and confirmed exploitation in the wild make this an urgent concern.
This vulnerability is actively being exploited in the wild.
Apply all available security updates for Microsoft Windows to address this privilege escalation vulnerability. Regularly update your Windows operating system and ensure all security patches are installed.
Technical Analysis
CVE-2022-21919 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2022-21919 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-21919 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1