CVE-2015-2360
Published: May 25, 2022
Official Description
Win32k.sys in the kernel-mode drivers in Microsoft Windows allows local users to gain privileges or cause denial-of-service (DoS).
CISA KEV Advisory
Microsoft Win32k Privilege Escalation Vulnerability
Win32k.sys in the kernel-mode drivers in Microsoft Windows allows local users to gain privileges or cause denial-of-service (DoS).
Apply updates per vendor instructions.
Risk Analysis
This high-severity vulnerability in Win32k.sys, a kernel-mode driver in Microsoft Windows, allows local users to gain privileges or cause a denial-of-service. The high EPSS score of 0.13229 indicates a significant likelihood of exploitation, making this an urgent concern. This vulnerability is confirmed to be actively exploited in the wild.
Active exploitation of this vulnerability has been observed in the wild, and it is included in CISA's KEV catalog. This indicates a critical and immediate threat, as it can lead to full system compromise or disruption.
Apply the latest security updates from Microsoft to address this privilege escalation and denial-of-service vulnerability in Win32k.sys. Ensure all Windows systems are patched promptly.
Technical Analysis
CVE-2015-2360 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-2015-2360 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-2015-2360 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