Which products and versions are affected by CVE-2003-0717?

Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft) versions enterprise, enterprise_64-bit, r2, standard, web; Windows Me (Microsoft), among others. The full list is in the CVE brief.

Is CVE-2003-0717 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2003-0717 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2003-0717?

Public exploit code is available.

Is there a fix for CVE-2003-0717?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2003-0717 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2003-0717

HighPublic exploit

The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.

Published Nov 17, 2003 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2003-0717 is a high-severity vulnerability (CVSS 7.5 v2) affecting Windows 2000 (Microsoft), Windows 2003 Server (Microsoft), Windows Me (Microsoft) and 2 more products.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 61% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

61%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2003-0717 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.

Affected Products

48 affected entries in total

Product	Affected versions	Fixed in
Windows 2000Microsoft	See advisory	n/a
Windows 2003 ServerMicrosoft	enterprise, enterprise_64-bit, r2, standard, web	n/a
Windows MeMicrosoft	See advisory	n/a
Windows NtMicrosoft	4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5, 4.0-sp6a, 4.0-sp6	n/a
Windows XpMicrosoft	See advisory	n/a

Timeline

Publicly disclosed
Nov 17, 2003
Last updated
Apr 15, 2026

References

7 more references in the full CVE brief

FAQ

Common Questions.

The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.
Affected: Windows 2000 (Microsoft); Windows 2003 Server (Microsoft) versions enterprise, enterprise_64-bit, r2, standard, web; Windows Me (Microsoft), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2003-0717 Running On Your Attack Surface?

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