TI-2007-03777 Aliases CVE-2007-3897 GHSA-xcpq-cc29-8fch

Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail…

HIGH 73CWE-119Published 2007-10-09 · Updated 2024-08-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: Code execution
Confidentiality · integrity · availability: Complete · Complete · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail for Vista, allows remote Network News Transfer Protocol (NNTP) servers to execute arbitrary code via long NNTP responses that trigger memory corruption.

Why it matters now

EPSS 0.54631 99th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:outlook_express::::::::	up to 6.0	Vulnerable	Microsoft
cpe:2.3:a:microsoft:outlook_express:6.0:sp1::::::	6.0 sp1	Vulnerable	Microsoft
cpe:2.3:a:microsoft:windows_mail:-:::::vista::	not specified by NVD	Vulnerable	Microsoft

cpe:2.3:a:microsoft:outlook_express:*:*:*:*:*:*:*:* Versions up to 6.0 Vulnerable ·Microsoft
cpe:2.3:a:microsoft:outlook_express:6.0:sp1:*:*:*:*:*:* Versions 6.0 sp1 Vulnerable ·Microsoft
cpe:2.3:a:microsoft:windows_mail:-:*:*:*:*:vista:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2007-3897
2026-10-03 Alias added: GHSA-xcpq-cc29-8fch
2026-10-11 EPSS moved to the 99th percentile and above

References

Patch 1

MS07-056

Advisory 4

TI-2004-00347 The MHTML protocol handler in Microsoft Outlook Express 5.5 SP2 through Outlook Express 6… CVSS 2.0HIGH 10.0
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
TI-2001-01278 Internet Explorer 5.0 and 5.5, and Outlook Express 5.0 and 5.5, allow remote attackers to… CVSS 2.0HIGH 7.5

See all 44 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences