CVE-2007-3897

Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail for Vista...

9.3 High

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.

Exploit likelihood

54.6%Up 31.5 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2007-3897
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-3897
Updated: 2026-11-02

EUVDEUVD-2007-3881 No score

Record: EUVD-2007-3881
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xcpq-cc29-8fch No score

Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail for Vista...

Record: GHSA-xcpq-cc29-8fch
Weakness: CWE-119
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	aliases, references, title	GitHub Advisories
Nov 2, 2026	first indexed	CVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-3897 is a high vulnerability (CVSS 9.3) in Microsoft Outlook Express, published October 9, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 54.6%, the 99th percentile. No source names a fixed version.

References

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