CVE-2007-1531

Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which...

5.0 MediumPublic exploit

Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which allows remote attackers to cause a denial of service (loss of network access) by sending a gratuitous ARP for the address of the Vista host.

Exploit likelihood

23.5%Down 3.1 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2007-1531
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2007-1531
Updated: 2026-11-02

EUVDEUVD-2007-1525 No score

Record: EUVD-2007-1525
Updated: 2026-11-03

GitHub AdvisoriesGHSA-87x4-vg4r-gj33 No score

Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which...

Record: GHSA-87x4-vg4r-gj33
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 Vista - ARP Table Entries Denial of Service	2004-04-02
Exploit-DB	Microsoft Windows Vista - Forged ARP packet Network Stack Denial of Service	2007-05-15

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-2007-1531 is a medium vulnerability (CVSS 5.0) in Microsoft Windows Xp, published March 20, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 23.5%, the 97th percentile. No source names a fixed version.