What is CVE-2011-1985?

CVE-2011-1985 is a high-severity vulnerability in Microsoft Windows 2003 Server, classified under NULL Pointer Dereference. CVSS score: 7.1/10. Published 2011-10-12.

How severe is CVE-2011-1985?

High severity. CVSS v3 base score is 7.1 out of 10.

NULL pointer dereference in Microsoft Windows 2003 Server

CVE-2011-1985

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 user-mode input, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka "Win32k Null Pointer De-reference Vulnerability."

EPSS: 0.024 (82.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Microsoft Windows_2003_server
Microsoft Windows_7
Microsoft Windows_server_2003
Microsoft Windows_server_2008 — versions r2
Microsoft Windows_vista
Microsoft Windows_xp
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

secure@microsoft.com (vdb-entry, x_refsource_SECTRACK)
secure@microsoft.com (x_refsource_MS, vendor-advisory)
secure@microsoft.com (signature, x_refsource_OVAL, vdb-entry)

Frequently asked questions

What is CVE-2011-1985?: CVE-2011-1985 is a high-severity vulnerability in Microsoft Windows 2003 Server, classified under NULL Pointer Dereference. CVSS score: 7.1/10. Published 2011-10-12.
How severe is CVE-2011-1985?: High severity. CVSS v3 base score is 7.1 out of 10.