CVE-2010-1734: microsoft windows_2000 Improper Input Validation
Vulnerability summary
CVE-2010-1734 is a medium (CVSS 4.9) Improper Input Validation vulnerability in microsoft windows_2000. EPSS estimates a 2.66% chance of exploitation in the next 30 days, higher than 85.4% of scored vulnerabilities. 3 public exploits are recorded.
Timeline
- 05-05-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The SfnINSTRING function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x18d value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.66%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.66% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (securityfocus.com)
Maturity: unknown
Exploit Reference (vigilance.fr)
Maturity: unknown
Microsoft Windows XP/2000/2003 - 'win32k.sys' SfnINSTRING Local kernel Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Microsoft2 products
- windows_2000na
- windows_xpna | sp3 | sp3:unknown
1 vendor · 2 products