CVE-2021-21551

🗓️ 26 Aug 2026 01:38:55Reported by KitPloitType

kitploit🔗 kitploit.com👁 2 Views

Windows LPE via Dell dbutil_2_3.sys driver overwriting haldispatch ptr to execute shellcode.

Reporter	Title	Published	Views	Family All 64
zdt	Dell DBUtil_2_3.sys IOCTL Memory Read / Write Exploit	17 May 202100:00	–	zdt
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	13 May 202113:23	–	githubexploit
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	2 Dec 202519:47	–	githubexploit
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	28 May 202107:29	–	githubexploit
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	7 Jan 202302:42	–	githubexploit
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	2 Aug 202420:14	–	githubexploit
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	21 May 202103:13	–	githubexploit
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	30 May 202110:15	–	githubexploit
GithubExploit	Exploit for Exposed IOCTL with Insufficient Access Control in Dell Dbutil	3 Sep 202101:47	–	githubexploit
GithubExploit	Exploit for CVE-2018-19320	17 Feb 202620:48	–	githubexploit

26 Aug 2026 01:38Current

8High risk

Vulners AI Score8

CVSS 24.6

CVSS 3.17.8 - 8.8

EPSS0.79249

SSVC

Dell dbutil_2_3.sys Local Privilege Escalation HAL dispatch overwrite SMEP bypass Windows