SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-1864

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, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle user-mode input passed to kernel mode for…

HIGH 7.2EPSS 1.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle user-mode input passed to kernel mode for driver objects, which allows local users to gain privileges via a crafted application, aka "String Atom Class Name Handling Vulnerability," a different vulnerability than CVE-2012-1865.

CVSS 2.0
7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS
1.58% probability · 74th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/windows 2003 server · microsoft/windows 7 · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows vista · microsoft/windows xp
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.