CVE-2013-3173
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, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows local…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allows local users to gain privileges via a crafted application that leverages improper handling of objects in memory, aka "Win32k Buffer Overwrite Vulnerability."
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 1.96% probability · 80th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- microsoft/windows 7 · microsoft/windows 8 · microsoft/windows rt · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista · microsoft/windows xp
- Source
- secure@microsoft.com
EPSS 2.0% 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.
References
- http://www.us-cert.gov/ncas/alerts/TA13-190AThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-053
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17148
- http://www.us-cert.gov/ncas/alerts/TA13-190AThird Party Advisory, US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-053
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17148
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.