CVE-2012-4886

Kingsoft WPS Office <8.1.0.3238 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2012-4886. PoCs published by Zhangjiantao.

AI-analyzed exploit summary This is a detailed writeup describing a stack buffer overflow vulnerability in WPS Office's wpsio.dll module (CVE-2012-4886). The analysis includes crash information, vulnerable function details, and an explanation of how arbitrary code execution can be achieved.

Description

Stack-based buffer overflow in wpsio.dll in Kingsoft WPS Office 2012 possibly 8.1.0.3238 allows remote attackers to execute arbitrary code via a long BSTR string.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Zhangjiantao · textdoswindows
https://www.exploit-db.com/exploits/25140

This is a detailed writeup describing a stack buffer overflow vulnerability in WPS Office's wpsio.dll module (CVE-2012-4886). The analysis includes crash information, vulnerable function details, and an explanation of how arbitrary code execution can be achieved.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: WPS Office 8.1.0.3238
No auth needed
Prerequisites: A maliciously crafted .wps file · Victim to open the file in WPS Office
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/83862
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/92847
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/59529
Mailing List mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2013/Apr/247
Exploit exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/25140

Scores

EPSS 0.1535
EPSS Percentile 96.4%

Details

CWE
CWE-119
Status published
Products (1)
kingsoft/office_2012 8.1.0.3238
Published Mar 24, 2014
Tracked Since Feb 18, 2026