CVE-2011-1227 Null dereference in n/a

What is CVE-2011-1227?

CVE-2011-1227 is a high-severity vulnerability in Microsoft Windows 2003 Server, published on 13 Apr 2011. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

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, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."

Which versions are affected by CVE-2011-1227?

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-2011-1227?

No fix has been published for CVE-2011-1227 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-1227 being exploited?

There is no known exploitation of CVE-2011-1227 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 2003 Server

• CVE-2008-0015 Microsoft Windows Video ActiveX Control Remote Code Execution Exploited High 8.8
• CVE-2015-1701 Microsoft Win32k Privilege Escalation Exploited High 7.8
• CVE-2013-5065 Microsoft Windows Kernel Privilege Escalation Exploited High 7.8
• CVE-2011-1268 Code injection in n/a Critical 10.0
• CVE-2011-1868 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2003 Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4w35-q3v2-v3v5.