What’s Vulnerable › Vulnerabilities

CVE-2010-0483

• Severity: high (CVSS 7.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 86.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-03-03 · updated 2026-06-16
• Weakness: CWE-94

Description

vbscript.dll in VBScript 5.1, 5.6, 5.7, and 5.8 in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2, when Internet Explorer is used, allows user-assisted remote attackers to execute arbitrary code by referencing a (1) local pathname, (2) UNC share pathname, or (3) WebDAV server with a crafted .hlp file in the fourth argument (aka helpfile argument) to the MsgBox function, leading to code execution involving winhlp32.exe when the F1 key is pressed, aka "VBScript Help Keypress Vulnerability."

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows 2003 Server: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://blogs.technet.com/msrc/archive/2010/02/28/investigating-a-new-win32hlp-and-internet-explorer-issue.aspx
• http://blogs.technet.com/msrc/archive/2010/03/01/security-advisory-981169-released.aspx
• http://blogs.technet.com/srd/archive/2010/03/01/help-keypress-vulnerability-in-vbscript-enabling-remote-code-execution.aspx
• http://isec.pl/vulnerabilities/isec-0027-msgbox-helpfile-ie.txt
• http://isec.pl/vulnerabilities10.html
• http://secunia.com/advisories/38727
• http://securitytracker.com/id?1023668
• http://www.computerworld.com/s/article/9163298/New_zero_day_involves_IE_puts_Windows_XP_users_at_risk
• http://www.kb.cert.org/vuls/id/612021
• http://www.microsoft.com/technet/security/advisory/981169.mspx
• http://www.osvdb.org/62632
• http://www.securityfocus.com/bid/38463

Get alerted when CVE-2010-0483 or the next vulnerability affects your stack