EUVD-2026-29664
Heap-based Buffer Overflow (CWE-122)
GHSA-36p3-3fqr-h7j4
8.8
CVSS 3.1 · NVD
Share
Severity by source
NVD
PRIMARY
8.8
HIGH
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
1
CVE Published
May 12, 2026 - 16:59 nvd
HIGH 8.8
DescriptionCVE.org
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
Articles & Coverage 1
Analysis
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Heap Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).