Exploit for Heap-based Buffer Overflow in Microsoft

🗓️ 16 Jul 2026 03:54:42Reported by uname1ableType

githubexploit

githubexploit🔗 github.com👁 6 Views

Heap overflow in Hyper-V vkrnlintvsp.sys enables local privilege escalation on Windows 11 23H2; PoC provided.

Reporter	Title	Published	Views	Family All 44
GithubExploit	Exploit for Heap-based Buffer Overflow in Microsoft	5 May 202620:41	–	githubexploit
GithubExploit	Exploit for Heap-based Buffer Overflow in Microsoft	11 Jun 202519:59	–	githubexploit
GithubExploit	Exploit for Heap-based Buffer Overflow in Microsoft	27 Feb 202512:36	–	githubexploit
ATTACKERKB	CVE-2025-21333	14 Jan 202500:00	–	attackerkb
Information Security Automation	January Microsoft Patch Tuesday	14 Jan 202523:22	–	avleonov
Information Security Automation	New episode “In the Trend of VM” (#12): 8 February CVEs & Why the Darknet Matters for VM Specialists	11 Mar 202510:10	–	avleonov
Information Security Automation	About Elevation of Privilege – Windows Hyper-V NT Kernel Integration VSP (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335) vulnerability	6 Feb 202516:31	–	avleonov
BDU FSTEC	The vulnerability of the VSP Elevation function in the hardware virtualization technology of Windows Hyper-V operating systems allows attackers to elevate their privileges to the SYSTEM level.	15 Jan 202500:00	–	bdu_fstec
Circl	CVE-2025-21333	14 Jan 202517:29	–	circl
CISA KEV Catalog	Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow Vulnerability	14 Jan 202500:00	–	cisa_kev

16 Jul 2026 03:54Current

7.2High risk

Vulners AI Score7.2

CVSS 3.17.8

EPSS0.09798

SSVC

heap overflow hyper v windows eleven local privilege escalation vkrnlintvsp proof of concepts