CVE-2023-29360
Published: February 29, 2024
Official Description
Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.
CISA KEV Advisory
Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability
Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This Microsoft Streaming Service vulnerability is an untrusted pointer dereference that allows a local attacker to escalate privileges to SYSTEM. The high EPSS score indicates a significant likelihood of exploitation, and its presence in the KEV catalog confirms it has been actively exploited, making it an urgent concern for systems with local access.
This vulnerability has been actively exploited in the wild. It requires local access to the system for exploitation.
Apply the latest security updates from Microsoft for the Streaming Service. Implement strong endpoint security measures to prevent unauthorized local access.
Technical Analysis
CVE-2023-29360 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-2023-29360 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 (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-29360 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