CVE-2011-1886 Null dereference in n/a

Low 2.1 Published 13 Jul 2011 Updated 6 Aug 2024

Local attackers can read arbitrary kernel memory via a crafted application exploiting a NULL pointer dereference in 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-2011-1886?

CVE-2011-1886 is a low-severity vulnerability in Microsoft Windows Xp, published on 13 Jul 2011. 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 SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."

Which versions are affected by CVE-2011-1886?

It affects 1 product.

Products include Microsoft Windows Xp.

How do I fix CVE-2011-1886?

No fix has been published for CVE-2011-1886 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-1886 being exploited?

There is no known exploitation of CVE-2011-1886 in the wild and no public exploit code.

All Microsoft Windows Xp vulnerabilities

Sources

Also known as GHSA-mpc7-7p74-8wv7.