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TI-2004-02010 Aliases CVE-2004-2137GHSA-8m78-x5mr-mm5q

Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart…

Priority MEDIUM 45Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages larger than" setting, leaks the BCC recipients of the message to the addresses listed in the To and CC fields, which may allow remote attackers to obtain sensitive information.

Why it matters now

EPSS 0.26142 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:outlook_express:6.0:*:*:*:*:*:*:*6.0VulnerableMicrosoft
cpe:2.3:a:microsoft:outlook_express:6.0:sp1:*:*:*:*:*:*6.0 sp1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:outlook_express:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:outlook_express:6.0:sp1:*:*:*:*:*:* Versions 6.0 sp1 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2004-2137
  2. 2026-10-03 Alias added: GHSA-8m78-x5mr-mm5q

References

  • TI-2004-00347 The MHTML protocol handler in Microsoft Outlook Express 5.5 SP2 through Outlook Express 6… CVSS 2.0HIGH 10.0
  • TI-2007-03777 Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail… CVSS 2.0HIGH 9.3
  • TI-2005-01149 Stack-based buffer overflow in the news reader for Microsoft Outlook Express (MSOE.DLL)… CVSS 2.0HIGH 7.5
  • TI-2010-00777 Integer overflow in inetcomm.dll in Microsoft Outlook Express 5.5 SP2, 6, and 6 SP1… CVSS 2.0HIGH 9.3
  • TI-2010-03008 Untrusted search path vulnerability in wab.exe 6.00.2900.5512 in Windows Address Book in… CVSS 2.0HIGH 9.3
  • TI-2007-03910 Argument injection vulnerability involving Microsoft Outlook and Outlook Express, when… CVSS 3.1HIGH 8.8
See all 44 →

Sources