High severity · published Apr 13, 2011
CVE-2011-1236
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008…
7.8
CVSS
1.2%
EPSS
No
On KEV
Description
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W2
Windows 2003 Server · Microsoft
All versions, or not specified · source: NVD
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2003 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2008 · Microsoft
r2; r2 · source: NVD
WV
Windows Vista · Microsoft
All versions, or not specified · source: NVD
WX
Windows XP · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-1236
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-1236
blogs.technet.com
http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
osvdb.org
http://osvdb.org/71751
secunia.com
http://secunia.com/advisories/44156
support.avaya.com
http://support.avaya.com/css/P8/documents/100133352
www.securityfocus.com
http://www.securityfocus.com/bid/47213
www.securitytracker.com
http://www.securitytracker.com/id?1025345
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