CVE-2017-0101
Published: March 15, 2022
Official Description
A privilege escalation vulnerability exists when the Windows Transaction Manager improperly handles objects in memory.
CISA KEV Advisory
Microsoft Windows Transaction Manager Privilege Escalation Vulnerability
A privilege escalation vulnerability exists when the Windows Transaction Manager improperly handles objects in memory.
Apply updates per vendor instructions.
Risk Analysis
A privilege escalation vulnerability exists in the Windows Transaction Manager due to improper handling of objects in memory. An attacker who successfully exploits this could gain elevated privileges on the system. With a high EPSS score of 0.64403 and confirmed in-the-wild exploitation, this flaw poses a significant risk to system integrity.
This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog, confirming its use by threat actors. Privilege escalation vulnerabilities typically require local access or chaining with other flaws.
Apply the latest security patches for Windows to address the Transaction Manager vulnerability. Ensure all systems are kept up-to-date with Microsoft's security releases.
Technical Analysis
CVE-2017-0101 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-2017-0101 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-2017-0101 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