CVE-2016-3308

HIGH

Microsoft Windows - Local Privilege Escalation via Win32k Kernel-Mode Driver

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-3308. PoCs published by jackhuyh.

AI-analyzed exploit summary This repository contains a detailed technical analysis of CVE-2016-3308, focusing on the heap corruption vulnerability in win32k!xxxInsertMenuItem. It includes root cause analysis, patch details, and exploitation techniques, demonstrating a deep understanding of the vulnerability.

Description

The kernel-mode drivers in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3309, CVE-2016-3310, and CVE-2016-3311.

Exploits (1)

nomisec WRITEUP 1 stars
by jackhuyh · poc
https://github.com/jackhuyh/CVE-2016-3308

This repository contains a detailed technical analysis of CVE-2016-3308, focusing on the heap corruption vulnerability in win32k!xxxInsertMenuItem. It includes root cause analysis, patch details, and exploitation techniques, demonstrating a deep understanding of the vulnerability.

Classification
Writeup 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Theoretical
Target: Microsoft Windows 7 SP1 x64 (win32k.sys)
No auth needed
Prerequisites: Access to a vulnerable Windows 7 SP1 x64 system · Ability to execute arbitrary code in user mode
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (4)

Core 4
Core References
Various Sources x_refsource_misc
https://github.com/55-AA/CVE-2016-3308
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92295
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036572

Scores

CVSS v3 7.8
EPSS 0.0942
EPSS Percentile 93.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-264
Status published
Products (11)
microsoft/windows_10
microsoft/windows_10 1511
microsoft/windows_10 1607
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1
microsoft/windows_server_2012
microsoft/windows_server_2012 r2
... and 1 more
Published Aug 09, 2016
Tracked Since Feb 18, 2026