CVE-2023-36874
Published: July 11, 2023
Official Description
Microsoft Windows Error Reporting Service contains an unspecified vulnerability that allows for privilege escalation.
CISA KEV Advisory
Microsoft Windows Error Reporting Service Privilege Escalation Vulnerability
Microsoft Windows Error Reporting Service contains an unspecified vulnerability that allows for privilege escalation.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Risk Analysis
This Microsoft Windows Error Reporting Service vulnerability allows for privilege escalation. The high EPSS score of 0.71153 indicates a significant likelihood of exploitation, and its inclusion in the KEV catalog confirms it has been actively exploited.
This vulnerability has been actively exploited in the wild, as confirmed by its presence in the KEV catalog. Attackers are leveraging this flaw to escalate privileges on affected systems.
Ensure Microsoft Windows systems are updated with the latest security patches addressing vulnerabilities in the Error Reporting Service. Regularly apply all available operating system updates.
Technical Analysis
CVE-2023-36874 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-2023-36874 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-2023-36874 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