CVE-2005-0048

Microsoft Windows XP SP2 and earlier, 2000 SP3 and SP4, Server 2003, and older operating systems...

7.5 HighPublic exploit

Microsoft Windows XP SP2 and earlier, 2000 SP3 and SP4, Server 2003, and older operating systems allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IP packets with malformed options, aka the "IP Validation Vulnerability."

Exploit likelihood

38.6%Down 3.9 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2005-0048
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2005-0048
Updated: 2026-11-02

EUVDEUVD-2005-0049 No score

Record: EUVD-2005-0049
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4jwc-3585-gr33 No score

Microsoft Windows XP SP2 and earlier, 2000 SP3 and SP4, Server 2003, and older operating systems...

Record: GHSA-4jwc-3585-gr33
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft Windows XP/2000 - Internet Protocol Validation Remote Code Execution (1)	2005-04-12
Exploit-DB	Microsoft Windows XP/2000 - Internet Protocol Validation Remote Code Execution (2)	2005-04-16
Exploit-DB	Microsoft Windows - Malformed IP Options Denial of Service (MS05-019)	2005-04-17

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

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

In short

CVE-2005-0048 is a high vulnerability (CVSS 7.5) in Microsoft Windows Xp, published April 13, 2005. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 38.6%, the 98th percentile. No source names a fixed version.