CVE-2010-3942 Privilege escalation in n/a

High 7.2 Published Updated

Local attackers can gain elevated privileges by exploiting a memory allocation flaw in the Windows kernel-mode 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-2010-3942?

CVE-2010-3942 is a high-severity vulnerability in Microsoft Windows 2003 Server, published on 16 Dec 2010. 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 SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly allocate memory for copies from user mode, which allows local users to gain privileges via a crafted application, aka "Win32k WriteAV Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2010-3942?

It affects 6 products.

Products include Microsoft Windows 2003 Server, Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.

How do I fix CVE-2010-3942?

No fix has been published for CVE-2010-3942 yet. Limit exposure of the affected software until one is available.

Is CVE-2010-3942 being exploited?

There is no known exploitation of CVE-2010-3942 in the wild and no public exploit code.

All Microsoft Windows 2003 Server vulnerabilities

Sources

Also known as GHSA-862j-jx76-43wv.

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