CVE-2011-0677

CVE-2011-0677 is a local privilege escalation vulnerability affecting multiple versions of Microsoft Windows XP, Server 2003, Vista, Server 2008, and Windows 7. It stems from a NULL pointer dereference in the win32k.sys kernel-mode driver, allowing a local attacker to gain elevated privileges through a crafted application. With a CVSS score of 7.2 (high), this vulnerability is easily exploitable locally with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.