CVE-2008-1084

Microsoft Windows Kernel - Local Code Execution via NtUserFnOUTSTRING Input Validation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2008-1084. PoCs published by Ruben Santamarta, Whitecell.

AI-analyzed exploit summary The provided content is a brief description of an exploit for CVE-2008-1084 (MS08-025) with no actual exploit code. It references an external download link (GitLab) and lacks technical details, which is characteristic of suspicious repositories.

Description

Unspecified vulnerability in the kernel in Microsoft Windows 2000 SP4, XP SP2, Server 2003 SP1 and SP2, through Vista SP1, and Server 2008 allows local users to execute arbitrary code via unknown vectors related to improper input validation. NOTE: it was later reported that one affected function is NtUserFnOUTSTRING in win32k.sys.

Exploits (2)

exploitdb SUSPICIOUS VERIFIED
by Ruben Santamarta · textlocalwindows
https://www.exploit-db.com/exploits/5518

The provided content is a brief description of an exploit for CVE-2008-1084 (MS08-025) with no actual exploit code. It references an external download link (GitLab) and lacks technical details, which is characteristic of suspicious repositories.

Classification
Suspicious 90%
Attack Type
Other
Complexity
Theoretical
Reliability
Theoretical
Target: Microsoft Windows (specific version unclear)
No auth needed
Prerequisites: none specified
devstral-2 · analyzed Feb 18, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Whitecell · cdoswindows
https://www.exploit-db.com/exploits/31585

This exploit leverages a local privilege escalation vulnerability in the Windows kernel (CVE-2008-1084) by sending a malformed message to the desktop window, potentially allowing a local user to gain kernel-level access.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Windows (multiple versions, pre-MS08-025 patch)
Auth required
Prerequisites: Local access to the target system · Unpatched Windows system (pre-MS08-025)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (10)

Core 10
Core References
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5437
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA08-099A.html
Various Sources x_refsource_misc
http://milw0rm.com/sploits/2008-ms08-25-exploit.zip
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=120845064910729&w=2
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28554
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/5518
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/1149/references
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/29720
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1019803

Scores

EPSS 0.0675
EPSS Percentile 93.1%

Details

CWE
CWE-94
Status published
Products (5)
microsoft/windows_2000
microsoft/windows_2003_server (6 CPE variants)
microsoft/windows_server_2008
microsoft/windows_vista (2 CPE variants)
microsoft/windows_xp (3 CPE variants)
Published Apr 08, 2008
Tracked Since Feb 18, 2026