CVE-2019-1322
Published: March 15, 2022
Official Description
A privilege escalation vulnerability exists when Windows improperly handles authentication requests. An attacker who successfully exploited this vulnerability could run processes in an elevated context.
CISA KEV Advisory
Microsoft Windows Privilege Escalation Vulnerability
A privilege escalation vulnerability exists when Windows improperly handles authentication requests. An attacker who successfully exploited this vulnerability could run processes in an elevated context.
Apply updates per vendor instructions.
Risk Analysis
This Windows vulnerability allows an attacker to escalate privileges by improperly handling authentication requests, enabling them to run processes with elevated permissions. Its inclusion in the CISA KEV catalog and high EPSS score of 0.36486 confirm its active exploitation and high likelihood of future attacks, making it a critical concern.
This vulnerability is actively being exploited in the wild and is part of the CISA Known Exploited Vulnerabilities Catalog. This indicates a high probability of successful privilege escalation once an attacker gains initial access.
Apply the latest security updates for Microsoft Windows to address this privilege escalation vulnerability. Implement the principle of least privilege for all user accounts and regularly audit system configurations.
Technical Analysis
CVE-2019-1322 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-2019-1322 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.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-1322 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