CVE-2012-1893 Privilege escalation in n/a
Local attackers can gain elevated privileges by exploiting improper validation of callback parameters in the Windows kernel driver win32k.sys.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-1893?
CVE-2012-1893 is a high-severity vulnerability in Microsoft Windows 7, published on 10 Jul 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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 validate callback parameters during creation of a hook procedure, which allows local users to gain privileges via a crafted application, aka "Win32k Incorrect Type Handling Vulnerability."
Weakness: CWE-20
Which versions are affected by CVE-2012-1893?
It affects 5 products.
Products include Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.
How do I fix CVE-2012-1893?
No fix has been published for CVE-2012-1893 yet. Limit exposure of the affected software until one is available.
Is CVE-2012-1893 being exploited?
There is no known exploitation of CVE-2012-1893 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 7
- CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution
- CVE-2015-2360 Microsoft Win32k Privilege Escalation
- CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation
- CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution
- CVE-2014-4148 Microsoft Windows Remote Code Execution
Sources
Also known as GHSA-mxrh-q9pr-p48c.