Exploit for Heap-based Buffer Overflow in Microsoft

🗓️ 11 Jun 2025 19:59:15Reported by B1ack4shType

githubexploit

githubexploit🔗 github.com👁 456 Views

High-severity CVE-2025-21333 vulnerability allows SYSTEM privilege escalation via Hyper-V VSP exploit.

Reporter	Title	Published	Views	Family All 42
GithubExploit	Exploit for Heap-based Buffer Overflow in Microsoft	5 May 202620:41	–	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
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
CISA	CISA Adds Four Known Exploited Vulnerabilities to Catalog	14 Jan 202512:00	–	cisa
CNNVD	Microsoft Hyper-V 安全漏洞	14 Jan 202500:00	–	cnnvd

31 Aug 2025 07:11Current

9.3High risk

Vulners AI Score9.3

CVSS 3.17.8

EPSS0.79693

SSVC

cve-2025-21333 hyper-v privilege escalation buffer overflow virtual machine patch released mitigation.