CVE-2013-5058

Microsoft Windows - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2013-5058. PoCs published by Core Security.

AI-analyzed exploit summary The exploit triggers a divide error in the Windows kernel by calling 'NtGdiGetTextExtent' with crafted arguments, causing an integer overflow in 'RFONTOBJ::bTextExtent' in 'win32k.sys'. This results in a denial of service (blue screen) on Windows XP and Windows 7.

Description

Integer overflow in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows local users to gain privileges via a crafted application, aka "Win32k Integer Overflow Vulnerability."

Exploits (1)

exploitdb WORKING POC VERIFIED
by Core Security · textdoswindows
https://www.exploit-db.com/exploits/30397

The exploit triggers a divide error in the Windows kernel by calling 'NtGdiGetTextExtent' with crafted arguments, causing an integer overflow in 'RFONTOBJ::bTextExtent' in 'win32k.sys'. This results in a denial of service (blue screen) on Windows XP and Windows 7.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Windows Kernel (win32k.sys) on Windows XP and Windows 7
No auth needed
Prerequisites: Local access to the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-101

Scores

EPSS 0.0276
EPSS Percentile 84.4%

Details

CWE
CWE-190
Status published
Products (12)
microsoft/windows_7
microsoft/windows_8
microsoft/windows_8.1
microsoft/windows_rt
microsoft/windows_rt_8.1
microsoft/windows_server_2003
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1 (2 CPE variants)
microsoft/windows_server_2012
microsoft/windows_server_2012 r2
... and 2 more
Published Dec 11, 2013
Tracked Since Feb 18, 2026