CVE-2011-1880

CVE-2011-1880 is a local privilege escalation vulnerability affecting multiple versions of Microsoft Windows, including XP, Vista, Server 2003, 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 specially crafted application. With a CVSS score of 7.2, this vulnerability is considered highly severe due to its low attack complexity and complete impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.