CVE-2011-1878

CVE-2011-1878 describes a use-after-free vulnerability in the win32k.sys kernel-mode driver affecting multiple versions of Microsoft Windows, including XP, Vista, Windows 7, and Windows Server 2003/2008. This flaw allows a local attacker to gain elevated privileges through a specially crafted application that exploits incorrect driver object management. With a CVSS score of 7.2, it is considered high severity, enabling complete compromise of confidentiality, integrity, and availability with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.