VulnerabilityModified

CVE-2007-1531

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 ×2 ✓MEDIUM 5.0EPSS 23.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 23.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

CVSS 2.0: 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS: 23.49% probability · 98th percentile
Public exploits: 2 in Exploit-DB · verified · first 2 April 2004
CISA KEV: Not listed
Weakness: CWE-399
Affected: microsoft/windows vista · microsoft/windows xp
Source: cve@mitre.org

EPSS trend

EPSS 23.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-ID	Title	Type	Published	Verified
EDB-3926 source ↗	Microsoft Windows Vista - Forged ARP packet Network Stack Denial of Servicewindows · Kristian Hermansen	dos	15 May 2007	yes
EDB-29813 source ↗	Microsoft Windows Vista - ARP Table Entries Denial of Servicewindows · Kristian Hermansen	dos	2 April 2004	yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.