CVE-2003-1378

highpriority · attend · 50EPSS 0.156 · 97 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

15.6% (97th) EPSS

CVSS 8.8 · high

Is it mine?

3 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.08.8highAV:N/AC:M/Au:N/C:C/I:C/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 9.2

v2.07.9highAV:N/AC:M/Au:N/C:C/I:C/A:N/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-22280Microsoft Outlook2000/Express 6.0 - Arbitrary Program Executionfunctional · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft outlook= 2000nvdUScpe:2.3:a:microsoft:outlook:*:*:*:*:*:*:*:*
microsoft outlook express= 6.0nvdUScpe:2.3:a:microsoft:outlook_express:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2003-12-31modified 2026-06-16

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+8950 more

references (8)

External citations — patches, advisories, analysis.

scry

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