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CVE-2010-0483

85
FAUCET Score

CVE-2010-0483 is a critical vulnerability in vbscript.dll affecting Microsoft Windows 2000, XP, and Server 2003 when Internet Explorer is used. It allows remote attackers to execute arbitrary code by crafting a malicious .hlp file referenced in the MsgBox function, leading to code execution via winhlp32.exe upon pressing F1. With a CVSS score of 7.6 and an EPSS score indicating high exploitability, this vulnerability poses a significant risk. Exploit code is publicly available, including Metasploit modules and entries on ExploitDB, though there is no indication of active exploitation or widespread community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.6HIGH

AV:N/AC:H/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
86.37%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: MS10-022 Microsoft Internet Explorer Winhlp32.exe MsgBox Code Execution · Feb 26, 2010
ExploitDB: EDB-16541 · Sep 28, 2010
This CVE's current EPSS score of 0.8637 is in the 100th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

microsoftvendor investigatingvia nvd_reference
View patch

References

blogs.technet.com / msrc/archive/2010/02/28/investigating-a-new-win32hlp-and-internet-explorer-issue.aspx
Vendor Advisory
blogs.technet.com / msrc/archive/2010/03/01/security-advisory-981169-released.aspx
Vendor Advisory
blogs.technet.com / srd/archive/2010/03/01/help-keypress-vulnerability-in-vbscript-enabling-remote-code-execution.aspx
Vendor Advisory
isec.pl / vulnerabilities10.html
Exploit
isec.pl / vulnerabilities/isec-0027-msgbox-helpfile-ie.txt
Exploit
docs.microsoft.com / en-us/security-updates/securitybulletins/2010/ms10-022
secunia.com / advisories/38727
Vendor Advisory
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/56558
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7170
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8654
metasploit.com / svn/framework3/trunk/modules/exploits/windows/browser/ie_winhlp32.rb
Exploit
computerworld.com / s/article/9163298/New_zero_day_involves_IE_puts_Windows_XP_users_at_risk
kb.cert.org / vuls/id/612021
US Government Resource
microsoft.com / technet/security/advisory/981169.mspx
Vendor Advisory
osvdb.org / 62632
securityfocus.com / bid/38463
Exploit
theregister.co.uk / 2010/03/01/ie_code_execution_bug
us-cert.gov / cas/techalerts/TA10-103A.html
US Government Resource
vupen.com / english/advisories/2010/0485
Vendor Advisory