SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2005-0063

The document processing application used by the Windows Shell in Microsoft Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by modifying the CLSID stored in a file so that it is processed by HTML…

EXPLOIT ✓HIGH 7.5EPSS 47.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 47.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

The document processing application used by the Windows Shell in Microsoft Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by modifying the CLSID stored in a file so that it is processed by HTML Application Host (MSHTA), as demonstrated using a Microsoft Word document.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
47.65% probability · 99th percentile
Public exploits
1 in Exploit-DB · verified · first 14 April 2005
CISA KEV
Not listed
Affected
microsoft/windows 2000 · microsoft/windows 2003 server · microsoft/windows 98 · microsoft/windows 98se · microsoft/windows me · microsoft/windows xp
Source
cve@mitre.org
EPSS trend
0%25%50%26 October 2026: 47.65%26 October 202626 October 2026

EPSS 47.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-938source ↗Microsoft Windows - 'HTA' Script Execution (MS05-016)windows · ZwelLlocal14 April 2005yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.