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Fencer Vulns
high 8.8

CVE-2003-1378 in the critical feed json

Microsoft Outlook Express 6.0 and Outlook 2000, with the security zone set to Internet Zone, allows remote attackers to execute arbitrary p…

published 2003-12-31 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-1368

cvss
8.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.6%
EPSS 15.6% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Microsoft Outlook Express 6.0 and Outlook 2000, with the security zone set to Internet Zone, allows remote attackers to execute arbitrary programs via an HTML email with the CODEBASE parameter set to the program, a vulnerability similar to CAN-2002-0077.

Timeline

  1. First public exploit (EDB-22280)
  2. Published

Exploit prediction

15.58% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22280 Microsoft Outlook2000/Express 6.0 - Arbitrary Program Execution remote, 2003-02-24
  • securityfocus.com http://www.securityfocus.com/archive/1/312910 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/6923 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 8.8 AV:N/AC:M/Au:N/C:C/I:C/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Vulns 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.