Which products and versions are affected by CVE-2001-0241?

Affected: Windows 2000 (Microsoft). The full list is in the CVE brief.

Is CVE-2001-0241 being exploited in the wild?

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

Is CVE-2001-0241 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-2001-0241?

Public exploit code is available.

Is there a fix for CVE-2001-0241?

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

How urgently should CVE-2001-0241 be patched?

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

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Vulnerability Intelligence

CVE-2001-0241

CriticalPublic exploit

Buffer overflow in Internet Printing ISAPI extension in Windows 2000 allows remote attackers to gain root privileges via a long print request that is passed to the extension through IIS 5.0.

Published Jun 27, 2001 · Updated Apr 15, 2026

Key Facts

Patch immediately

CVE-2001-0241 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Windows 2000 (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 86% 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

10.0

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

EPSS (30-day exploit likelihood)

86%

Higher than 99.7% 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-2001-0241 brief as a PDF

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

Description

Buffer overflow in Internet Printing ISAPI extension in Windows 2000 allows remote attackers to gain root privileges via a long print request that is passed to the extension through IIS 5.0.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Windows 2000Microsoft	See advisory	n/a

Timeline

Publicly disclosed
Jun 27, 2001
Last updated
Apr 15, 2026

References

10 more references in the full CVE brief

FAQ

Common Questions.

Buffer overflow in Internet Printing ISAPI extension in Windows 2000 allows remote attackers to gain root privileges via a long print request that is passed to the extension through IIS 5.0.
Affected: Windows 2000 (Microsoft). 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-2001-0241 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.