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Fencer Intel
critical 9.3

CVE-2012-0013 in the critical feed json

Incomplete blacklist vulnerability in the Windows Packager configuration in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Wind…

published 2012-01-10 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0054

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
73.9%
EPSS 73.9% chance of exploitation in 30 days, percentile 99.4%
public exploits
3
Metasploit, Exploit-DB

Summary

Incomplete blacklist vulnerability in the Windows Packager configuration in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted ClickOnce application in a Microsoft Office document, related to .application files, aka "Assembly Execution Vulnerability."

Timeline

  1. First public exploit (Metasploit exploit/windows/fileformat/ms12_005)
  2. Published

Exploit prediction

73.88% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/windows/fileformat/ms12_005 MS12-005 Microsoft Office ClickOnce Unsafe Object Package Handling Vulnerability metasploit exploit, excellent rank, 2012-01-10
  • EDB-19037 Microsoft Office - ClickOnce Unsafe Object Package Handling (MS12-005) (Metasploit) local, 2012-06-11
  • EDB-18372 Microsoft Windows - Assembly Execution (MS12-005) local, 2012-01-14

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.