CVE-2018-5220

CVE-2018-5220 details a denial-of-service vulnerability in K7 Antivirus 15.1.0306, specifically within its K7Sentry.sys driver. This flaw allows a local attacker to trigger a Blue Screen of Death (BSOD) or potentially achieve other unspecified impacts by providing unvalidated input to IOCtl 0x95002610. Rated with a CVSS score of 7.8 (HIGH), the vulnerability is easily exploitable with low attack complexity and user privileges, leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code in common repositories like Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.