SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-3172

Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows local users to cause a denial of service (system hang)…

MEDIUM 4.9EPSS 2.29%

Does this matter?

Lower severity and a low EPSS score (2.29%). Track it; it rarely justifies an emergency change on its own.

Description

Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows local users to cause a denial of service (system hang) via a crafted application that leverages improper handling of objects in memory, aka "Win32k Buffer Overflow Vulnerability."

CVSS 2.0
4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS
2.29% probability · 83th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
microsoft/windows 7 · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows vista · microsoft/windows xp
Source
secure@microsoft.com
EPSS trend
0%3%5%26 October 2026: 2.29%26 October 202626 October 2026

EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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